Only now did he understand the full complexity of the problem.

直到现在他才明白这一问题的全部复杂性。

Complexity of aluminium electrolyser production is analyzed, and motivation of production intelligence is explained.

摘要分析了铝电解槽生产的复杂性，提出生产智能理念的必要性。

This is a new adsorption phenomenon showing the complexity of murexide adsorption.

这是一种新的吸附现象,表明了紫脲酸铵吸附过程的复杂性,对其机理进行了讨.

Objective To investigate the effects of scleral buckling combined with laser photocoagulation for treatment of uncomplex rhegmatogenous retinal detachment.

目的观察巩膜扣带术联合激光光凝术治疗复杂性孔源性视网膜脱离的疗效。

Another cybernetician, Gerald Weinberg, supplies a fine metaphor for requisite complexity in his book On the Design of Stable Systems.

另外一位控专家，杰拉尔德·温伯格，在他的著作《稳定系的设计》中为这“必要的复杂性”提供了一贴切的比喻。

Rigorously selected from reserve lots, grapes were cold fermented and the resulting unwooded wine aged "surlie" to enhance complexity and give a creamy mouthfeel.

严格挑选优质葡萄，冷冻发酵，不经木桶平置陈酿以增强其复杂性，及乳脂口感。

Which is contrary, around the unclad complicacy of cell there are peculiar and embarrassing silence.Why doesn't anybody embrace the surprising discovery vexedly in the science field?

相反，围绕着细胞赤裸裸的复杂性的是奇怪的、令人窘迫的沉默???为什么科学界没有急切地拥抱它的令人震惊的发现呢？

Due to the complexity of occurrence condition and the polytropy of influencing factors,the excavation and supporting in soft failure roadway under high ground stress become very difficult.

高地应力破碎软岩巷道,由于赋存条件的复杂性和影响因素的多变性,使得该类巷道的开挖与支护极为困难。

Treatment of uncomplicated CP is usually conseratie with the major aim being to effectiely alleiate pain, maldigestion and diabetes, and consequently, to improe the patient's quality of life.

复杂性慢性胰腺炎的治疗总是主要采用有效保守手段减轻疼痛，治疗消化不良以及糖尿病，从而提高患者的生活质量。

It is proved that the anti-collapse function of the treating chemical in fluid kerite in piedmont drilling is more and more obvious, and the application is more and more widely.

沥青类处理剂在山前钻井中的防塌作用越来越重要,应用越来越广泛,但由于其基质沥青成分的复杂性及由于各种改性手段的应用,使沥青类处理剂的室内评价指标与现场应用效果越来越难以一。

Only now did he understand the full complexity of the problem.

直到现在他才明白这一问题的全部复杂性。

Complexity of aluminium electrolyser production is analyzed, and motivation of production intelligence is explained.

摘要分析了铝电解槽生产的复杂性，提出生产智能理念的必要性。

This is a new adsorption phenomenon showing the complexity of murexide adsorption.

这是一种新的吸附现象,表明了紫脲酸铵吸附过程的复杂性,对其机理进行了讨论.

Objective To investigate the effects of scleral buckling combined with laser photocoagulation for treatment of uncomplex rhegmatogenous retinal detachment.

目的观察巩膜扣带术联合激光光凝术治疗非复杂性孔源性视网膜脱离的疗效。

Another cybernetician, Gerald Weinberg, supplies a fine metaphor for requisite complexity in his book On the Design of Stable Systems.

另外一位控制论专家，杰拉尔德·温伯格，在他的著作《论稳定系的设计》中为这个“必要的复杂性”提供了一个非常贴切的比喻。

Rigorously selected from reserve lots, grapes were cold fermented and the resulting unwooded wine aged "surlie" to enhance complexity and give a creamy mouthfeel.

严格挑选优质葡萄，冷冻发酵，不经木桶平置陈酿以增强其复杂性，及乳脂口感。

Which is contrary, around the unclad complicacy of cell there are peculiar and embarrassing silence.Why doesn't anybody embrace the surprising discovery vexedly in the science field?

相反，围绕着细胞赤裸裸的复杂性的是奇怪的、令人窘迫的沉默???为什么科学界没有急切地拥抱它的令人震惊的发现呢？

Due to the complexity of occurrence condition and the polytropy of influencing factors,the excavation and supporting in soft failure roadway under high ground stress become very difficult.

高地应力破碎软岩巷道,由于赋存条件的复杂性和影响因素的多变性,使得该类巷道的开挖极为困难。

Treatment of uncomplicated CP is usually conseratie with the major aim being to effectiely alleiate pain, maldigestion and diabetes, and consequently, to improe the patient's quality of life.

非复杂性慢性胰腺炎的治疗总是主要采用有效保守手段减轻疼痛，治疗消化不良以及糖尿病，从而提高患者的生活质量。

It is proved that the anti-collapse function of the treating chemical in fluid kerite in piedmont drilling is more and more obvious, and the application is more and more widely.

沥青类处理剂在山前钻井中的防塌作用越来越重要,应用越来越广泛,但由于其基质沥青成分的复杂性及由于各种改性手段的应用,使沥青类处理剂的室内评价指标现场应用效果越来越难以一。

Only now did he understand the full complexity of the problem.

直到现在白这一问题全部复杂性。

Complexity of aluminium electrolyser production is analyzed, and motivation of production intelligence is explained.

摘要分析了铝电解槽生产复杂性，提出生产智能理念必要性。

This is a new adsorption phenomenon showing the complexity of murexide adsorption.

这是一种新吸附现象,表了紫脲酸铵吸附过程复杂性,对其机理进行了讨论.

Objective To investigate the effects of scleral buckling combined with laser photocoagulation for treatment of uncomplex rhegmatogenous retinal detachment.

目观察巩膜扣带术联合激光光凝术治疗非复杂性孔源性视网膜脱离疗效。

Another cybernetician, Gerald Weinberg, supplies a fine metaphor for requisite complexity in his book On the Design of Stable Systems.

另外一位控制论专家，杰拉尔德·温伯格，在著作《论稳定系设计》中为这个“必要复杂性”提供了一个非常贴切比喻。

Rigorously selected from reserve lots, grapes were cold fermented and the resulting unwooded wine aged "surlie" to enhance complexity and give a creamy mouthfeel.

严格挑选优质葡萄，冷冻发酵，不经木桶平置陈酿以增强其复杂性，及乳脂口感。

Which is contrary, around the unclad complicacy of cell there are peculiar and embarrassing silence.Why doesn't anybody embrace the surprising discovery vexedly in the science field?

相反，围绕着细胞赤裸裸复杂性是奇怪、令人窘迫沉默???为什么科学界没有急切地拥抱它令人震惊发现呢？

Due to the complexity of occurrence condition and the polytropy of influencing factors,the excavation and supporting in soft failure roadway under high ground stress become very difficult.

高地应力破碎软岩巷道,由于赋存条件复杂性和影响因变性,使得该类巷道开挖与支护极为困难。

Treatment of uncomplicated CP is usually conseratie with the major aim being to effectiely alleiate pain, maldigestion and diabetes, and consequently, to improe the patient's quality of life.

非复杂性慢性胰腺炎治疗总是主要采用有效保守手段减轻疼痛，治疗消化不良以及糖尿病，从而提高患者生活质量。

It is proved that the anti-collapse function of the treating chemical in fluid kerite in piedmont drilling is more and more obvious, and the application is more and more widely.

沥青类处理剂在山前钻井中防塌作用越来越重要,应用越来越广泛,但由于其基质沥青成分复杂性及由于各种改性手段应用,使沥青类处理剂室内评价指标与现场应用效果越来越难以一。

Only now did he understand the full complexity of the problem.

直到现在他才明白这一问题的全部复杂性。

Complexity of aluminium electrolyser production is analyzed, and motivation of production intelligence is explained.

摘要分析解槽生产的复杂性，提出生产智能理念的必要性。

This is a new adsorption phenomenon showing the complexity of murexide adsorption.

这是一种新的吸附现象,表明紫脲酸铵吸附过程的复杂性,对其机理进行讨论.

Objective To investigate the effects of scleral buckling combined with laser photocoagulation for treatment of uncomplex rhegmatogenous retinal detachment.

目的观察巩膜扣带术联合激光光凝术治疗非复杂性孔源性视网膜脱离的疗效。

Another cybernetician, Gerald Weinberg, supplies a fine metaphor for requisite complexity in his book On the Design of Stable Systems.

另外一位控制论专家，杰拉尔德·温伯格，在他的著作《论稳定系的设计》中为这个“必要的复杂性”提供一个非常贴切的比喻。

Rigorously selected from reserve lots, grapes were cold fermented and the resulting unwooded wine aged "surlie" to enhance complexity and give a creamy mouthfeel.

严格挑选优质葡萄，冷冻发酵，不经木桶平置陈酿以增强其复杂性，及乳脂口感。

Which is contrary, around the unclad complicacy of cell there are peculiar and embarrassing silence.Why doesn't anybody embrace the surprising discovery vexedly in the science field?

相反，围绕着细胞赤裸裸的复杂性的是奇怪的、令人窘迫的沉默???为什么科学界没有急切地拥抱它的令人震惊的发现呢？

Due to the complexity of occurrence condition and the polytropy of influencing factors,the excavation and supporting in soft failure roadway under high ground stress become very difficult.

高地应力破碎软道,由于赋存条件的复杂性和影响因素的多变性,使得该类道的开挖与支护极为困难。

Treatment of uncomplicated CP is usually conseratie with the major aim being to effectiely alleiate pain, maldigestion and diabetes, and consequently, to improe the patient's quality of life.

非复杂性慢性胰腺炎的治疗总是主要采用有效保守手段减轻疼痛，治疗消化不良以及糖尿病，从而提高患者的生活质量。

It is proved that the anti-collapse function of the treating chemical in fluid kerite in piedmont drilling is more and more obvious, and the application is more and more widely.

沥青类处理剂在山前钻井中的防塌作用越来越重要,应用越来越广泛,但由于其基质沥青成分的复杂性及由于各种改性手段的应用,使沥青类处理剂的室内评价指标与现场应用效果越来越难以一。

Only now did he understand the full complexity of the problem.

直到现在他才明白这一问题的全部杂性。

Complexity of aluminium electrolyser production is analyzed, and motivation of production intelligence is explained.

摘要分析了铝电解槽生产的杂性，提出生产智能理念的必要性。

This is a new adsorption phenomenon showing the complexity of murexide adsorption.

这是一种新的吸附现象,表明了紫脲酸铵吸附过程的杂性,对其机理进行了讨论.

Objective To investigate the effects of scleral buckling combined with laser photocoagulation for treatment of uncomplex rhegmatogenous retinal detachment.

目的观察巩膜扣带术联合激光光凝术治杂性孔源性视网膜脱离的效。

Another cybernetician, Gerald Weinberg, supplies a fine metaphor for requisite complexity in his book On the Design of Stable Systems.

另外一位控制论专家，杰拉尔德·温伯格，在他的著作《论稳定系的设计》中为这个“必要的杂性”提供了一个常贴切的比喻。

Rigorously selected from reserve lots, grapes were cold fermented and the resulting unwooded wine aged "surlie" to enhance complexity and give a creamy mouthfeel.

严格挑选优质葡萄，冷冻发酵，不平置陈酿以增强其杂性，及乳脂口感。

Which is contrary, around the unclad complicacy of cell there are peculiar and embarrassing silence.Why doesn't anybody embrace the surprising discovery vexedly in the science field?

相反，围绕着细胞赤裸裸的杂性的是奇怪的、令人窘迫的沉默???为什么科学界没有急切地拥抱它的令人震惊的发现呢？

Due to the complexity of occurrence condition and the polytropy of influencing factors,the excavation and supporting in soft failure roadway under high ground stress become very difficult.

高地应力破碎软岩巷道,由于赋存条件的杂性和影响因素的多变性,使得该类巷道的开挖与支护极为困难。

Treatment of uncomplicated CP is usually conseratie with the major aim being to effectiely alleiate pain, maldigestion and diabetes, and consequently, to improe the patient's quality of life.

杂性慢性胰腺炎的治总是主要采用有效保守手段减轻疼痛，治消化不良以及糖尿病，从而提高患者的生活质量。

It is proved that the anti-collapse function of the treating chemical in fluid kerite in piedmont drilling is more and more obvious, and the application is more and more widely.

沥青类处理剂在山前钻井中的防塌作用越来越重要,应用越来越广泛,但由于其基质沥青成分的杂性及由于各种改性手段的应用,使沥青类处理剂的室内评价指标与现场应用效果越来越难以一。

Only now did he understand the full complexity of the problem.

到现在他才明白这一问题的全部复杂性。

Complexity of aluminium electrolyser production is analyzed, and motivation of production intelligence is explained.

摘要分析了铝电解槽生产的复杂性，提出生产智能理念的必要性。

This is a new adsorption phenomenon showing the complexity of murexide adsorption.

这是一种新的吸附现象,表明了紫脲酸铵吸附过程的复杂性,对其机理进行了讨论.

Objective To investigate the effects of scleral buckling combined with laser photocoagulation for treatment of uncomplex rhegmatogenous retinal detachment.

目的观察巩膜扣带术联合激光光凝术治疗非复杂性孔源性视网膜脱离的疗效。

Another cybernetician, Gerald Weinberg, supplies a fine metaphor for requisite complexity in his book On the Design of Stable Systems.

另外一位控制论专家，杰拉尔德·温伯格，在他的著作《论稳定系的设计》中为这个“必要的复杂性”提供了一个非常贴切的比喻。

Rigorously selected from reserve lots, grapes were cold fermented and the resulting unwooded wine aged "surlie" to enhance complexity and give a creamy mouthfeel.

严格挑选优质葡萄，冷冻发酵，不经木桶平置陈酿以增强其复杂性，及乳脂口感。

Which is contrary, around the unclad complicacy of cell there are peculiar and embarrassing silence.Why doesn't anybody embrace the surprising discovery vexedly in the science field?

相反，围绕着细胞赤裸裸的复杂性的是奇怪的、令人窘迫的沉默???为什么科学界没有急切地拥抱它的令人震惊的发现呢？

Due to the complexity of occurrence condition and the polytropy of influencing factors,the excavation and supporting in soft failure roadway under high ground stress become very difficult.

高地应力破碎软岩巷道,由于赋存条件的复杂性和影响因素的多变性,使巷道的开挖与支护极为困难。

Treatment of uncomplicated CP is usually conseratie with the major aim being to effectiely alleiate pain, maldigestion and diabetes, and consequently, to improe the patient's quality of life.

非复杂性慢性胰腺炎的治疗总是主要采用有效保守手段减轻疼痛，治疗消化不良以及糖尿病，从而提高患者的生活质量。

It is proved that the anti-collapse function of the treating chemical in fluid kerite in piedmont drilling is more and more obvious, and the application is more and more widely.

沥青处理剂在山前钻井中的防塌作用越来越重要,应用越来越广泛,但由于其基质沥青成分的复杂性及由于各种改性手段的应用,使沥青处理剂的室内评价指标与现场应用效果越来越难以一。

Only now did he understand the full complexity of the problem.

直到现在他才明白这一问题的全部复杂性。

Complexity of aluminium electrolyser production is analyzed, and motivation of production intelligence is explained.

摘要分析了铝电解槽生产的复杂性，提出生产智能理念的必要性。

This is a new adsorption phenomenon showing the complexity of murexide adsorption.

这是一种新的吸附现象,表明了紫脲酸铵吸附过程的复杂性,对其机理进行了讨论.

Objective To investigate the effects of scleral buckling combined with laser photocoagulation for treatment of uncomplex rhegmatogenous retinal detachment.

目的观察巩膜扣带术联合激光光凝术治疗非复杂性孔源性视网膜脱离的疗效。

Another cybernetician, Gerald Weinberg, supplies a fine metaphor for requisite complexity in his book On the Design of Stable Systems.

另外一位控制论专家，杰拉尔德·温伯格，在他的著作《论稳定系的设计》中这个“必要的复杂性”提供了一个非常贴切的比喻。

Rigorously selected from reserve lots, grapes were cold fermented and the resulting unwooded wine aged "surlie" to enhance complexity and give a creamy mouthfeel.

严格挑选优质葡萄，冷冻发酵，不经木桶平置陈酿以增强其复杂性，及乳脂口感。

Which is contrary, around the unclad complicacy of cell there are peculiar and embarrassing silence.Why doesn't anybody embrace the surprising discovery vexedly in the science field?

相反，围绕着细胞赤裸裸的复杂性的是奇怪的、令人窘迫的沉默???什么科学界没有急切地拥抱它的令人震惊的发现呢？

Due to the complexity of occurrence condition and the polytropy of influencing factors,the excavation and supporting in soft failure roadway under high ground stress become very difficult.

高地应力破碎软岩巷道,由于赋存条件的复杂性和影响因素的多变性,使得该类巷道的开挖与支困难。

Treatment of uncomplicated CP is usually conseratie with the major aim being to effectiely alleiate pain, maldigestion and diabetes, and consequently, to improe the patient's quality of life.

非复杂性慢性胰腺炎的治疗总是主要采用有效保守手段减轻疼痛，治疗消化不良以及糖尿病，从而提高患者的生活质量。

It is proved that the anti-collapse function of the treating chemical in fluid kerite in piedmont drilling is more and more obvious, and the application is more and more widely.

沥青类处理剂在山前钻井中的防塌作用越来越重要,应用越来越广泛,但由于其基质沥青成分的复杂性及由于各种改性手段的应用,使沥青类处理剂的室内评价指标与现场应用效果越来越难以一。

Only now did he understand the full complexity of the problem.

直到现明白这一问题全部复杂性。

Complexity of aluminium electrolyser production is analyzed, and motivation of production intelligence is explained.

摘要分析了铝电解槽生产复杂性，提出生产智能理念必要性。

This is a new adsorption phenomenon showing the complexity of murexide adsorption.

这是一种新吸附现象,表明了紫脲酸铵吸附过程复杂性,对其机理进行了讨论.

Objective To investigate the effects of scleral buckling combined with laser photocoagulation for treatment of uncomplex rhegmatogenous retinal detachment.

目观察巩膜扣带术联合激光光凝术治疗非复杂性孔源性视网膜脱离疗效。

Another cybernetician, Gerald Weinberg, supplies a fine metaphor for requisite complexity in his book On the Design of Stable Systems.

另外一位控制论专家，杰拉尔德·温伯格，著作《论稳定系设计》中为这个“必要复杂性”提供了一个非常贴切比喻。

Rigorously selected from reserve lots, grapes were cold fermented and the resulting unwooded wine aged "surlie" to enhance complexity and give a creamy mouthfeel.

严格挑选优质葡萄，冷冻发酵，不经木桶平置陈酿以增强其复杂性，及乳脂口感。

Which is contrary, around the unclad complicacy of cell there are peculiar and embarrassing silence.Why doesn't anybody embrace the surprising discovery vexedly in the science field?

相反，围绕着细胞赤裸裸复杂性是奇怪、令人窘迫沉默???为什么科学界没有急切地拥抱它令人震惊发现呢？

Due to the complexity of occurrence condition and the polytropy of influencing factors,the excavation and supporting in soft failure roadway under high ground stress become very difficult.

高地应力破碎软岩巷道,由于赋存条件复杂性和影响因素性,使得该类巷道开挖与支护极为困难。

Treatment of uncomplicated CP is usually conseratie with the major aim being to effectiely alleiate pain, maldigestion and diabetes, and consequently, to improe the patient's quality of life.

非复杂性慢性胰腺炎治疗总是主要采用有效保守手段减轻疼痛，治疗消化不良以及糖尿病，从而提高患者生活质量。

It is proved that the anti-collapse function of the treating chemical in fluid kerite in piedmont drilling is more and more obvious, and the application is more and more widely.

沥青类处理剂山前钻井中防塌作用越来越重要,应用越来越广泛,但由于其基质沥青成分复杂性及由于各种改性手段应用,使沥青类处理剂室内评价指标与现场应用效果越来越难以一。

Only now did he understand the full complexity of the problem.

直到现在他才明白这一问题的全部复杂性。

Complexity of aluminium electrolyser production is analyzed, and motivation of production intelligence is explained.

摘要分析了铝电解槽生产的复杂性，提出生产智能理念的必要性。

This is a new adsorption phenomenon showing the complexity of murexide adsorption.

这是一种新的吸附现象,表明了紫脲酸铵吸附过程的复杂性,对其机理进行了讨论.

Objective To investigate the effects of scleral buckling combined with laser photocoagulation for treatment of uncomplex rhegmatogenous retinal detachment.

目的观察巩膜扣带术联合激光光凝术治疗非复杂性孔源性视网膜脱离的疗效。

Another cybernetician, Gerald Weinberg, supplies a fine metaphor for requisite complexity in his book On the Design of Stable Systems.

另外一论专家，杰拉尔德·温伯格，在他的著作《论稳定系的设计》中为这个“必要的复杂性”提供了一个非的比喻。

Rigorously selected from reserve lots, grapes were cold fermented and the resulting unwooded wine aged "surlie" to enhance complexity and give a creamy mouthfeel.

严格挑选优质葡萄，冷冻发酵，不经木桶平置陈酿以增强其复杂性，及乳脂口感。

Which is contrary, around the unclad complicacy of cell there are peculiar and embarrassing silence.Why doesn't anybody embrace the surprising discovery vexedly in the science field?

相反，围绕着细胞赤裸裸的复杂性的是奇怪的、令人窘迫的沉默???为什么科学界没有急地拥抱它的令人震惊的发现呢？

Due to the complexity of occurrence condition and the polytropy of influencing factors,the excavation and supporting in soft failure roadway under high ground stress become very difficult.

高地应力破碎软岩巷道,由于赋存条件的复杂性和影响因素的多变性,使得该类巷道的开挖与支护极为困难。

Treatment of uncomplicated CP is usually conseratie with the major aim being to effectiely alleiate pain, maldigestion and diabetes, and consequently, to improe the patient's quality of life.

非复杂性慢性胰腺炎的治疗总是主要采用有效保守手段减轻疼痛，治疗消化不良以及糖尿病，从而提高患者的生活质量。

It is proved that the anti-collapse function of the treating chemical in fluid kerite in piedmont drilling is more and more obvious, and the application is more and more widely.

沥青类处理剂在山前钻井中的防塌作用越来越重要,应用越来越广泛,但由于其基质沥青成分的复杂性及由于各种改性手段的应用,使沥青类处理剂的室内评价指标与现场应用效果越来越难以一。

Only now did he understand the full complexity of the problem.

直到现在他才明白这一问题的全部复杂性。

Complexity of aluminium electrolyser production is analyzed, and motivation of production intelligence is explained.

摘要分析了铝电解槽生产的复杂性，提出生产智能理念的必要性。

This is a new adsorption phenomenon showing the complexity of murexide adsorption.

这是一种新的吸附现象,表明了紫脲酸铵吸附过程的复杂性,对其机理进行了讨论.

Objective To investigate the effects of scleral buckling combined with laser photocoagulation for treatment of uncomplex rhegmatogenous retinal detachment.

目的观察巩膜扣带术联凝术治疗非复杂性孔源性视网膜脱离的疗效。

Another cybernetician, Gerald Weinberg, supplies a fine metaphor for requisite complexity in his book On the Design of Stable Systems.

另外一位控制论专家，杰拉尔德·温伯格，在他的著作《论稳定系的设计》中为这个“必要的复杂性”提供了一个非常贴切的比喻。

Rigorously selected from reserve lots, grapes were cold fermented and the resulting unwooded wine aged "surlie" to enhance complexity and give a creamy mouthfeel.

严格挑选优质葡萄，冷冻发酵，不经木桶平置陈酿其复杂性，及乳脂口感。

Which is contrary, around the unclad complicacy of cell there are peculiar and embarrassing silence.Why doesn't anybody embrace the surprising discovery vexedly in the science field?

相反，围绕着细胞赤裸裸的复杂性的是奇怪的、令人窘迫的沉默???为什么科学界没有急切地拥抱它的令人震惊的发现呢？

Due to the complexity of occurrence condition and the polytropy of influencing factors,the excavation and supporting in soft failure roadway under high ground stress become very difficult.

高地应力破碎软岩巷道,由于赋存条件的复杂性和影响因素的多变性,使得该类巷道的开挖与支护极为困难。

Treatment of uncomplicated CP is usually conseratie with the major aim being to effectiely alleiate pain, maldigestion and diabetes, and consequently, to improe the patient's quality of life.

非复杂性慢性胰腺炎的治疗总是主要采用有效保守手段减轻疼痛，治疗消化不良及糖尿病，从而提高患者的生活质量。

It is proved that the anti-collapse function of the treating chemical in fluid kerite in piedmont drilling is more and more obvious, and the application is more and more widely.

沥青类处理剂在山前钻井中的防塌作用越来越重要,应用越来越广泛,但由于其基质沥青成分的复杂性及由于各种改性手段的应用,使沥青类处理剂的室内评价指标与现场应用效果越来越难一。