查询词典 Crookes
- 与 Crookes 相关的网络例句 [注：此内容来源于网络，仅供参考]
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The earliest version of the CRT was invented by the German physicist Ferdinand Braun in 1897 and is also known as the Braun tube.[1] It was a cold-cathode diode, a modification of the Crookes tube with a phosphor-coated screen.
还是从这里开始普及吧，CRT和放电管区别很明显，放电管是用来观察放电效益，内部充气，根本没什么成像效益，和CRT就完全不是一回事，在说说你的美籍俄裔科学家，这家伙1907年用CRT成像，但当时他是沙俄工程师，俄国内战跑到美国去。
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Crookes and Wallace ranged up on the opposing side, while Sir Oliver Lodge attempted to formulate a compromise that would jibe with his particular cosmic theories.
很明显，那书正在走俏。
- 推荐网络例句
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It has been put forward that there exists single Ball point and double Ball points on the symmetrical connecting-rod curves of equilateral mechanisms.
从鲍尔点的形成原理出发，分析对称连杆曲线上鲍尔点的产生条件，提出等边机构的对称连杆曲线上有单鲍尔点和双鲍尔点。
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The factory affiliated to the Group primarily manufactures multiple-purpose pincers, baking kits, knives, scissors, kitchenware, gardening tools and beauty care kits as well as other hardware tools, the annual production value of which reaches US$ 30 million dollars.
集团所属工厂主要生产多用钳、烤具、刀具、剪刀、厨具、花园工具、美容套等五金产品，年生产总值3000万美元，产品价廉物美、选料上乘、质量保证，深受国内外客户的青睐
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The eˉtiology of hemospermia is complicate,but almost of hemospermia are benign.
血精的原因很，以良性病变为主。