化学的这个阶段差不多一直延续到1700年.This phase of chemistry lasted till about 1700.量子化学的重要生物学应用正在不断增加.Significant biological applications of quantum chemistry are on the increase.它们全都有警戒色, 表明它们全都有化学的保护作用.All are aposematuically colored...
确定应力强度因子的工作决不是简单的事件.The task of determining the stress intensity factor is by no means a simple one.两因子的乘积的迹不依赖于因子的次序.The trace of a product of two factors is independent of their order.动态应力强度因子的变化发现滞后于应力脉冲冲击几微秒.The dyna...
几年前，大卫·拜恩曾登上《时代》周刊的封面。A few years ago, David Byrne was on the cover of Time magazine.《时代》周刊的四色整页广告无法代替它.A four color spread in Time is no substitute for it.还有着很多因素阻碍着我国新闻周刊的发展.There are a number of factors that baffle it...