The racer meant to win the 500 - mile race at all hazards.这位竞赛者决心不顾一切危险,赢得这场500英里的车赛.Toxicologists attempt to identify and understand toxic hazards.毒理学家试图找出并了解毒害风险。We perfected a hand-signal system so that he could keep ...
Remove the wafers with a spoon and transfer them to a plate.用勺子抄起薄饼，把它们转盛到盘子里。Large diameter wafers are feasible and 200 - mm wafers have been produced.大直径片子已不难制造,200mm的片子也已产生了.All organic and metallic residues on the wa...
介绍一种数字微欧计的原理 、 特点及使用方法.This paper introduces a kind of digital micro - ohmmeter, its characteristic and the use method.介绍了高精度、数字式多量程微欧计的设计方法.This paper dealt with the design of a high precision and digital instrument of ...