"But when industry became more important than agriculture in American life, families became smaller."

"但是,在美国人的生活中当工业比农业更为重要时,家庭开始小。"

The margin of safety has grown thin.

安全系数已小。

Heat treated boards display a reduced modulus of rupture and an increase in dustiness.

热处理后，板材的断裂模数小，而含尘量增加。

The innovation of air travel during this century has made the world seem smaller.

本世纪发明的空中飞行似乎使世界小。

Their voices fell.

他们的声音小。

The results showed that a mixed mating system was possibly the main heterogamy of this species, and its endangerment was caused by over-exploitation and habitat loss.

导荷叶铁线蕨濒危的主要原因是生境的破坏以及度开采所导的生境片断化使其居群小、近交率加大、遗传低，降低其生存以及进化的潜力。

The analyses of energy band structure indicates:this series of molecues have high intrinsical conductivity, the energy gaps will become smaller, intrinsical conductivities increase when the quasi-o...

能带结构分析表明：该类分子具有较好的本征电导率，分子的准一维体系向二维拓宽，将使能隙于小，本征电导率增加，此与裂解温度高则聚合度和电导率相应增加的实验结果一。

"But when industry became more important than agriculture in American life, families became smaller."

"但是,在美国人生活中当工业比农业更为重要时,家庭开始变小了。"

The margin of safety has grown thin.

安全系数已变小了。

Heat treated boards display a reduced modulus of rupture and an increase in dustiness.

经过热处理后，板材断裂模数变小，而含尘量增加。

The innovation of air travel during this century has made the world seem smaller.

本世纪发明空中飞行似乎使世界变小了。

Their voices fell.

他们声音变小了。

The results showed that a mixed mating system was possibly the main heterogamy of this species, and its endangerment was caused by over-exploitation and habitat loss.

导荷叶铁线蕨濒危主要原因是生境破坏以及过度开采所导生境片断化使其居群变小、近交率加大、遗传变异趋低，降低了其生存以及进化潜力。

The analyses of energy band structure indicates:this series of molecues have high intrinsical conductivity, the energy gaps will become smaller, intrinsical conductivities increase when the quasi-o...

能带结构析表明：该类具有较好本征电导率，准一维体系向二维拓宽，将使能隙趋于变小，本征电导率增加，此与裂解温度高则聚合度和电导率相应增加实验结果一。

"But when industry became more important than agriculture in American life, families became smaller."

"但是,在美国人中当工业比农业更为重要时,家庭开始变小了。"

The margin of safety has grown thin.

安全系数已变小了。

Heat treated boards display a reduced modulus of rupture and an increase in dustiness.

经过热处理后，板材断裂模数变小，而含尘量增加。

The innovation of air travel during this century has made the world seem smaller.

本世纪发明空中飞行似乎使世界变小了。

Their voices fell.

他们声音变小了。

The results showed that a mixed mating system was possibly the main heterogamy of this species, and its endangerment was caused by over-exploitation and habitat loss.

导荷叶铁线蕨濒危主要原因是境破坏以及过度开采所导境片断化使其居群变小、近交率加大、遗传变异趋低，降低了其存以及进化潜力。

The analyses of energy band structure indicates:this series of molecues have high intrinsical conductivity, the energy gaps will become smaller, intrinsical conductivities increase when the quasi-o...

能带结构分析表明：该类分子有好本征电导率，分子准一维体系向二维拓宽，将使能隙趋于变小，本征电导率增加，此与裂解温度高则聚合度和电导率相应增加实验结果一。

"But when industry became more important than agriculture in American life, families became smaller."

"但是,在美国人的生活中当工业比农业更为重要时,家庭开始小了。"

The margin of safety has grown thin.

安全系已小了。

Heat treated boards display a reduced modulus of rupture and an increase in dustiness.

经过热处理后，板材的断裂小，而含尘量增加。

The innovation of air travel during this century has made the world seem smaller.

本世纪发明的空中飞行似乎使世界小了。

Their voices fell.

他们的声音小了。

The results showed that a mixed mating system was possibly the main heterogamy of this species, and its endangerment was caused by over-exploitation and habitat loss.

导荷叶铁线蕨濒危的主要原因是生境的破坏以及过度开采所导的生境片断化使小、近交率加大、遗传异趋低，降低了生存以及进化的潜力。

The analyses of energy band structure indicates:this series of molecues have high intrinsical conductivity, the energy gaps will become smaller, intrinsical conductivities increase when the quasi-o...

能带结构分析表明：该类分子具有较好的本征电导率，分子的准一维体系向二维拓宽，将使能隙趋于小，本征电导率增加，此与裂解温度高则聚合度和电导率相应增加的实验结果一。

"But when industry became more important than agriculture in American life, families became smaller."

"但是,在美国人的生活中当工业比农业更为重要时,家庭开始变小了。"

The margin of safety has grown thin.

安全系数已变小了。

Heat treated boards display a reduced modulus of rupture and an increase in dustiness.

经过热处理后，板材的裂模数变小，量增加。

The innovation of air travel during this century has made the world seem smaller.

本世纪发明的空中飞行似乎使世界变小了。

Their voices fell.

他们的声音变小了。

The results showed that a mixed mating system was possibly the main heterogamy of this species, and its endangerment was caused by over-exploitation and habitat loss.

导荷叶铁线蕨濒危的主要原因是生境的破坏以及过度开采所导的生境使其居群变小、近交率加大、遗传变异趋低，降低了其生存以及进的潜力。

The analyses of energy band structure indicates:this series of molecues have high intrinsical conductivity, the energy gaps will become smaller, intrinsical conductivities increase when the quasi-o...

能带结构分析表明：该类分子具有较好的本征电导率，分子的准一维体系向二维拓宽，将使能隙趋于变小，本征电导率增加，此与裂解温度高则聚合度和电导率相应增加的实验结果一。

"But when industry became more important than agriculture in American life, families became smaller."

"但是,在美国人的生活中当工业业更为重要时,家庭开始变小了。"

The margin of safety has grown thin.

安全系数已变小了。

Heat treated boards display a reduced modulus of rupture and an increase in dustiness.

经过热处理后，板材的断裂模数变小，而含尘量增加。

The innovation of air travel during this century has made the world seem smaller.

本世纪发的空中飞行似乎使世界变小了。

Their voices fell.

他们的声音变小了。

The results showed that a mixed mating system was possibly the main heterogamy of this species, and its endangerment was caused by over-exploitation and habitat loss.

导荷叶铁线蕨濒危的主要原因是生境的破坏以及过度开采所导的生境片断化使其居群变小、近交率加大、遗传变异趋低，降低了其生存以及进化的潜力。

The analyses of energy band structure indicates:this series of molecues have high intrinsical conductivity, the energy gaps will become smaller, intrinsical conductivities increase when the quasi-o...

能带结构分：该类分子具有较好的本征电导率，分子的准一维体系向二维拓宽，将使能隙趋于变小，本征电导率增加，此与裂解温度高则聚合度和电导率相应增加的实验结果一。

"But when industry became more important than agriculture in American life, families became smaller."

"但是,在美国人的生活中当工业比农业更为重要时,家庭开始变小了。"

The margin of safety has grown thin.

安全系数已变小了。

Heat treated boards display a reduced modulus of rupture and an increase in dustiness.

经过热处理后，板材的断裂模数变小，而含尘量增加。

The innovation of air travel during this century has made the world seem smaller.

本明的空中飞行似乎使界变小了。

Their voices fell.

他们的声音变小了。

The results showed that a mixed mating system was possibly the main heterogamy of this species, and its endangerment was caused by over-exploitation and habitat loss.

荷叶铁线蕨濒危的主要原因是生境的破坏以及过度开所的生境片断化使其居群变小、近交率加大、遗传变异趋低，降低了其生存以及进化的潜力。

The analyses of energy band structure indicates:this series of molecues have high intrinsical conductivity, the energy gaps will become smaller, intrinsical conductivities increase when the quasi-o...

能带结构分析表明：该类分子具有较好的本征电率，分子的准一维体系向二维拓宽，将使能隙趋于变小，本征电率增加，此与裂解温度高则聚合度和电率相应增加的实验结果一。

"But when industry became more important than agriculture in American life, families became smaller."

"但是,在美国人的生活中当工业比农业更为重要时,家庭开始变小了。"

The margin of safety has grown thin.

安全系数已变小了。

Heat treated boards display a reduced modulus of rupture and an increase in dustiness.

经过热处理后，板材的裂模数变小，量增加。

The innovation of air travel during this century has made the world seem smaller.

本世纪发明的空中飞行似乎使世界变小了。

Their voices fell.

他们的声音变小了。

The results showed that a mixed mating system was possibly the main heterogamy of this species, and its endangerment was caused by over-exploitation and habitat loss.

导荷叶铁线蕨濒危的主要原因是生境的破坏以及过度开采所导的生境使其居群变小、近交率加大、遗传变异趋低，降低了其生存以及进的潜力。

The analyses of energy band structure indicates:this series of molecues have high intrinsical conductivity, the energy gaps will become smaller, intrinsical conductivities increase when the quasi-o...

能带结构分析表明：该类分子具有较好的本征电导率，分子的准一维体系向二维拓宽，将使能隙趋于变小，本征电导率增加，此与裂解温度高则聚合度和电导率相应增加的实验结果一。

"But when industry became more important than agriculture in American life, families became smaller."

"但是,在美国人的生活中当工业比农业更为重要时,家庭开始变小了。"

The margin of safety has grown thin.

安全系数已变小了。

Heat treated boards display a reduced modulus of rupture and an increase in dustiness.

经过后，板材的断裂模数变小，而含尘量增加。

The innovation of air travel during this century has made the world seem smaller.

本世纪发明的空中飞行似乎使世界变小了。

Their voices fell.

他们的声音变小了。

The results showed that a mixed mating system was possibly the main heterogamy of this species, and its endangerment was caused by over-exploitation and habitat loss.

导荷叶铁线蕨濒危的主要原因是生境的破坏以及过度开采所导的生境片断化使其居群变小、近交率加、变异趋低，降低了其生存以及进化的潜力。

The analyses of energy band structure indicates:this series of molecues have high intrinsical conductivity, the energy gaps will become smaller, intrinsical conductivities increase when the quasi-o...

能带结构分析表明：该类分子具有较好的本征电导率，分子的准一维体系向二维拓宽，将使能隙趋于变小，本征电导率增加，此与裂解温度高则聚合度和电导率相应增加的实验结果一。