"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.

安全系数已小了。

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

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度开采所导的生境片断化使其居群小、近交率加大、遗趋低，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.

本世纪发明的空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...

能带结构析表明：该具有较好的本征电导率，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."

",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.

荷叶铁线蕨濒危的主要原因生境的破坏以及过度开采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率，分子的准一维体系向二维拓宽，将使能隙趋于变小，本率增加，此与裂解温度高则聚合度和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的破坏以及过度开采所导的断化使其居群变小、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，本征电导率加，此与裂解温度高则聚合度和电导率相应加的实验结果一。

"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.

本纪发明空中飞行似界变小了。

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破坏以及过度开采所导片断化其居群变小、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：该类分子具有较好本征电导率，分子准一维体系向二维拓宽，将能隙趋于变小，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,在美国人的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.

本纪发明的空中飞行似乎变小了。

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的破坏以及过度开采所导的片断化其居群变小、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。"

The margin of safety has grown thin.

安全变小。

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。

Their voices fell.

他们的声音变小。

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过度开采所导的生境片断化使居群变小、近交率加大、遗传变异趋，降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...

能带结构析表明：该类具有较好的本征电导，的准一维体系向二维拓宽，将使能隙趋于变小，本征电导增加，此与裂解温度高则聚合度和电导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。"

The margin of safety has grown thin.

安全系数已。

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，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。

Their voices fell.

他们的声音。

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过度开采所导的生境片断化使其居群、近交率加大、遗传异趋低，降低其生存化的潜力。

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，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。