abstraction mechanisms 怎么翻译?

lumped circuit abstraction是什么意思? abstraction mechanisms 怎么翻译? abstraction licences怎么翻译 logic gate abstraction是什么意思? deadline abstraction准确的中文翻译 byte-steam abstraction怎么翻译? 请问计算机中的abstraction是什么意思啊 请问编程里面 data abstraction,functional abstraction,Invariant 请给出中文解释,并举例说明. data abstraction 是个什么东西 它和abstract data type的区别是什么?那么data abstraction又是怎样与ADT关联起来的? 计算机中理论的abstraction是什么意思请通俗地回答吧 求翻译The eye level of abstraction is useful for us. 【计算机英语】So I have yet another abstraction.there's getting to be...So I have yet another abstraction.there's getting to be quite a lot of them, 定语从句 什么时候可以省略先行词A number is an abstraction that has no physical existence. 英语翻译Explain how the concept of abstraction is used by an operating system,by providing an example from an operating system with which you are familiar 英语翻译With the help of lumped circuit abstraction,we choose to deal with discrete elements and ascribe a single value to each discrete element. 【计算机英语】but for that to happen some really popular such ...but for that to happen some really popular such abstraction layer must be created.这句话怎么翻译,原文：So I have yet another abstraction.Phew,there's getting to be quit 【计算机英语】Of course, I don't want the persistence abstraction to expect ...Of course, I don't want the XXX abstraction to expect a certain interface to be implemented on the Aggregate roots.这句话什么意思啊? Aggregate roots 聚合 有学有机化学（Organic Chemistry) 下面是两个亲电芳香取代反应,请问他们的产物分别是什么?为什么会产生不同的产物?希望可以得高这两个问题的解答,如果可以，希望得到两个过程的完整mechanis