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....
"No doubt he'll give me the chance to fight him again," he jibed, tongue in cheek.“毫无疑问他会给我机会和他再打上一架的，”他半开玩笑地讥讽道。This tongue causes the flat autochthonous beds below to appear arched upward because of velocity pull ...
汗是一种排泄物.Sweat is an excretion.环境工程师们关心人类排泄物的处置.Environmental engineers are concerned with the disposal of human wastes.汗也是一种排泄物.Sweat is also an excretion....