Theorem 1 and are equivalent infinitesimals if and only if.定理1与是等阶无穷小的充分必要条件为.They capture small - scale behavior, just like infinitesimals, but use the ordinary real number system.他们捕获的小规模的行为, 就像无穷小, 但使用普通的实数系统....
梭子常常卡住, 造成大量断头.The shuttle often got stuck, causing a lot of broken ends.克洛夫特一时按捺不住,抓住机枪给了他一梭子.On an impulse Croft fired a burst into him.梭子在经线中来回移动.The shuttle moves backwards and forwards through the warp....
Her questions have caught the department chairperson flat - footed.(她的问题,使系主任惊讶.)Ducks are web - footed to help them move through the water.鸭子脚上有蹼,便于游泳.The wing - footed messenger Hermes ( Mercury ) was the god of commer...
Is a tax increase still out of the question?增加税收仍然是不可能的事吗？For the homeless, private medical care is simply out of the question.对于无家可归的人而言，私人医疗纯粹是天方夜谭。It is totally out of the question to postpone the midnight deadline.想要...