This stark fact goes so far beyond all previous human experience that no social machinery exists to cope with it . 赤裸裸的事实远远超出人类以往所有的经验以致没有现存的社会机构对付得了当前的情况。
Modern genetic mechanisms, including informational macromolecules have not always existed in their present form . 目前的信息大分子为中心的遗传机制，从历史的观点看不大可能一开始便以现存的形式见诸于世。
Deterioration may be defined as the lowering of the engineering efficiency of equipment compared to that existing when the equipment was new . 衰退可定义为现存的设备与当它是新的状态相比较时在工程效率上的降低。
The indian family of america, unlike any other existing family, exemplified the condition of mankind in three successive ethnical periods . 美洲的印第安种族不象其它任何现存的种族，他们为人类文化顺序相承的三个阶段的社会状态都提供了例证。
Papermaking originated in china in the second century b.c. paper made from linen in the early west han dynasty ( 206 b.c.-24 a.d. ) was the world 's earliest kind of paper made from plant fibres. by pooling the expertise of craftsmen in papermaking , cai lun of the east han dynasty ( 25 a. d.-220 a.d. ) succeeded in producing quality paper from linen craps , rags , and used fish nets. papermaking technology was introduced to the west in the third century . 公元前2世纪我国发明纸，而汉初造的麻纸是世界上现存最早的植物纤维纸。
Atomic energy is the existent maximal energy sources 原子能是现存的最大的能源
Atomic energy is the maximum energy in the existence 原子能是现存的最大的能源
Atomic energy is the biggest energy in the world now 原子能是现存的最大的能源
Then now the one car are kept in oume railway park 现在1 ?现存青梅?道公园保存
