A new method for fabricating micro - optical elements with aspherical outlines is discussed.讨论了一种制作非球面微光学元件的新方法.This paper presents the design principle and method of an opticalfor plastic aspherical door scope.介绍了一种塑料非球...
林先生的眼光跟着寿生的嘴也向那边瞥了一下, 心里直是乱跳,哭丧着脸, 好半天说不出话来.His heart skipping unevenly, his face mournful , Mr. Lin was unable to speak for some time.尽管增速缓慢,但它一直在向那边靠拢.It continues to edge up , albeit at a slowing pace.这棵树向那边倒下就会把那所房子压...
The practical value of knowledge resources possesses popularity , duality of exhaustiveness and non exhaustiveness, and expansivity.知识资源的使用价值具有广普性、非耗竭与耗竭二重性及扩张性....
邮票是晦暗的深蓝色。The stamp was a dull blue colour.这段微妙、晦暗的时期刚刚开始, 他就向国会作了 “ 伸出和平之手 ” 的演说.Early in this strange twilight period, he delivered his " outstretched hand " peace speech to the Reichstag.伯莎望着窗外晦暗的天色.Bertha was looking...
She took revenge on her ex-boyfriend by smashing up his home.为了报复，她砸了前任男友的家。People should understand how thirsty for revenge they are.人们应该理解他们复仇的愿望是多么强烈。Revenge leads to a self-perpetuating cycle of violence.怨怨相报会导致永不休止的...