The definition of operator homeomorphism mapping , together with its characterizations, is given in this paper.在算子开集理论中给出了算子同胚映射的概念, 得到了算子同胚映射的若干性质....
Assembly language programming, low level data structures , introduction to operating systems , and compilers microprogramming, pipelining.汇编语言程序设计, 低层数据结构, 操作系统导论和编译器.We can see evidence of the compilers groping towards ...
Call a spade a spade.据实而言。He sank the spade into the ground, and went at it.他把铁锹插到地里，开始卖力地干了起来。... a garden spade...园艺铲Bob, who had no intention of working, leaned lazily on his spade.鲍勃不想干活,懒洋洋地倚在铁铲上。His spade cleaved t...
那整整一摞东西动了一下后滑落下来，嘭的一声全掉到了地上。The entire pile shifted and slid, thumping onto the floor.床头桌和地板上有几摞书。There were stacks of books on the bedside table and floor.他抱着一摞小册子匆匆出去了。He hurried out with an armful of brochures....