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- Abstract： In this paper, a new high power and wideband amplifier with permanent periodic magnet(PPM) focusing is presented.It consists of klystron and FEM . 摘要： 提出了一种新的高功率宽带放大器，它由速调管和自由电子脉塞组成，用永久周期磁铁聚焦。
- A new high power and wideband amplifier with permanent periodic magnet focusing 一种新的永久周期磁铁聚焦的高功率宽带放大器
- Permanent Periodic Magnetic 间隙永久磁性的
- In accordance with the effective mass theory, the magnetic Kronig-Penny potential was used to solve the electronic band structure of GaAs/Al?xGa? 1-xAs superlattice in a periodic magnetic field. 在有效质量理论近似下;采用磁Kronig-Penny势场;精确求解了GaAs/AlxGa1-xAs超晶格中的电子在周期性磁场中形成的能带结构.
- The computed values of the periodic magnetic system containing the equivalent models by the 2D FEMM are in agreement with the measured results of the real system with open magnetic rings. 该2维等效模型能代替开口磁环进行计算。
- Periodic magnetic focusing system 周期永磁聚焦系统
- Nothing can assure permanent happiness. 没有什么东西能确保永久的幸福。
- I'm looking for a permanent appointment. 我正在寻找固定的工作。
- She is looking for permanent employment. 她正在找固定的工作。
- Hangzhou Permanent Magnet Group Co., LTD. 杭州永磁集团有限公司。
- That period was a bright page in the history of Chinese literature. 那个时期是中国文学史上光辉的一页。
- They established their permanent abode here. 他们在此建立了永久居所。
- Let us hope that the period of this injustice will be over soon. 让我们希望这个不公正的时期很快结束吧。
- Pig iron used as permanent ballast. 压载铁做为永久性压舱物的生铁
- She went to a beauty salon for a permanent. 她到美容院去烫了发。
- The injury left him with a permanent limp. 他受伤后就一直瘸了。
- Childhood is a period of rapid growth. 幼年是生长迅速的时期。
- Permanent Magnet Lifter is a kind of lifting gear. 永磁起重器是起重工具的一种。
- He consulted the chronicles of the period. 他参考了这一时期的编年史。
- A plant having no permanent woody stem; an herb. 草本植物，花草没有永久木茎的植物; 草本植物
