The point of degradation, due to attenuation or distortion, at which a signal becomes unusable.由于衰减或失真使得信号变得不能使用的那个退化点.Mortality is the number or volume of trees periodically rendered unusable through natural causes.枯损是一...
Bombing had made roads and railways unusable.轰炸导致公路和铁路都无法通行。The point of degradation, due to attenuation or distortion, at which a signal becomes unusable.由于衰减或失真使得信号变得不能使用的那个退化点.Mortality is the number or volume of tree...
To keep ecology in balance is our duty.保持生态平衡是我们的职责.Development has been guided by a concern for the ecology of the area.该地区的发展以注重生态为指导原则。We are reproducing ourselves at such a rate that our numbers threaten the ecology ...
罩在笼子门上的铁丝网wire mesh over the door of the cage笼子里的老虎发出了令人毛骨悚然的吼声.The tiger in the cage gave a thrilling cry.他认为把云雀关在笼子里太残忍了.He thinks it cruel to confine a lark in a cage....
I shall start ere you return.在你回来前我就会出发.My involvement has not been altogether, shall we say, ethical.可以说，我的参与还不是完全合乎道德。The Average Afterglow Of All Specimens Shall Not Exceed 15 seconds.所有样本的平均余燃不得超过15秒钟.However, in eac...
这很像把手浸入挥发性液体后的那种凉飕飕的感觉.It is like the sense of chill that follows immersion of the hand in a volatile liquid.他们发现狄氏剂的挥发常随紧实度的增加而减低.They found volatilization of dieldrin tended to decrease as bulk density increased.不应将挥发物...
Water industry chiefs were rapped yesterday for failing their customers...昨天，水利行业的头头们因为怠慢客户而受到批评。FA chiefs could still face a rap and a possible fine...足协高层可能还要受到训诫并被处以罚款。The authors advocated immediate intervention by i...