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- Study on Secondary Electron in Multistage Depressed Collector 多级降压收集极中次级电子的研究
- Study on design of multistage depressed collector for traveling-wave tube 行波管多级降压收集极设计方法的研究
- Application of MAFIA in Three-Dimensional Dynamic PIC Simulation of TWT Multistage Depressed Collector MAFIA在行波管多级降压收集极模拟中的应用
- Study and Realization of Multistage Depressed Collector CAD Software for Traveling Wave Tubes 行波管多级降压收集极CAD软件研究与实现
- Keywords High-Power Millimeter Wave;Gyrotron;Electorn Optics System;Magnetic injection gun（MIG）;Novel gun;Multistage depressed collector（MSDC）;CHAELOPS;Beam-Wave interaction; 高功率毫米波;回旋管;电子光学系统;电子枪;多级降压收集极;注波互作用;
- multistage depressed collector 多级降低收集器
- His reading achievement is depressed. 他的阅读能力低于一般水平。
- My husband is a stamp collector. 我丈夫是个集邮者。
- He gets cheerful and depressed by turns. 他的情绪高一阵低一阵。
- We were all depressed by the dismal weather. 阴沉的天气让我们都感到压抑。
- The threat of war has depressed business activity. 战争的威胁使经济萧条。
- The market is rather depressed at the moment. 目前的市场相当萧条。
- A collector of taxes or tribute from the public. 征收员从公众那儿收取赋税或贡物的人
- Depress the space bar on a typewriter. 按下打字机上的空格键
- The stamp collector decided to get that rare stamp at all costs. 这个集邮迷决心无论代价如何都要搞到那枚稀有的邮票。
- She got depressed and began to let things slide. 她情绪低落，一切都听之任之。
- When he's depressed he sits brooding for hours. 他消沉的时候，就坐著沉思几小时。
- Micro-multistage depressed collectors 微型化多级降压收集极
- She was depressed to learn of her illness. 她得知自己患病,心情十分抑郁。
- Depress this button to rewind the tape. 按下这个按钮倒带。
