In Europe, AC is usually generated at 50 Hz.欧洲的交流电输出频率通常为50赫兹。Rich Italian clubs such as AC Milan cannot simply skim off all of Europe's stars.像AC米兰这样财大气粗的意大利足球俱乐部也不可能把欧洲所有的明星球员统统招到自己门下。In 1951 AC went public, havin...
I rode a hydrofoil ferry across the bay this morning.今天早上我驾驶快艇驶过海湾.Why can a hydrofoil move on a layer of air?为什么气垫船能靠后方的气流移动?The hydrofoil soon speeded up.那艘水翼船不久就增加速度....
The economy is plunging into recession.经济正陷入萧条。After plunging into a sorry plight, the pollster quit poking about and plotted a conspiracy.在陷入困境后, 那个民意调查者停止了游手好闲并策划了一起阴谋.The view of lake and plunging cliffs seduces visit...
I can still only tell Mark and Dave apart by the colour of their shoes!我仍然只能根据鞋子的颜色来区分马克和戴夫！I am so pleased to make your acquaintance, Mr Tweed.很高兴认识您，特威德先生。I can't abide people who can't make up their minds......
主要观察指标: 大鼠脑海马组织胆碱乙酰基转移酶活力的测定.MAIN OUTCOME MEASURES: Determination of the choline acetyltransferase activity in the groups.此外, 还介绍了乙酰基丁二酸二甲酯的应用.Finally , the application of DMAS was also presented.HDAC可以从很多蛋白质中去除一种叫做乙酰基的化...