The engineers' union was unhappy with the motion, saying it smacked of racism.工程师联盟对这项提议感到很不满，称该提议有点种族主义的味道。He recruited two multilingual engineers.他招聘了两个懂多种语言的工程师。In the computer industry, engineers have to retool ...
The reactions of fish to AC can be distinguished into four stages: electrifying, electrotaxis, electronarcosis and electrocuting.鱼对交流电的反应可分成四个阶段: 感电 、 定向 、 麻醉和击昏反应....