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- Design of focusing magnet for high power klystron 高功率速调管聚焦磁场设计研究
- In this dissertation, the effects of input power, electron beam voltage, electron beam current and focusing magnetic field on output power have been studied. 本论文还分析了输入功率、电子注直流电压，电子注直流电流和聚焦磁场对输出功率的影响。
- The spirit is willing but the flesh is weak. 心有余而力不足。
- Thus the optimum values of the focusing magnetic field, electron beam and helical slow wave system can be obtained.The theory presented here can provide a strong basis for design of the helix TWT. 优化设计聚焦磁场、电子注和螺旋线慢波系统的参量可以对螺旋线行波管的稳定性分析提供必要的依据。
- The shock make me go all weak at the knee. 这件事把我吓得两腿发软。
- Dalian is a magnet for tourists. 大连是吸引游客的地方。
- You must be weak in the head if you believe that. 你相信那件事可就太傻了。
- He cannot run because he has a weak heart. 他有心脏病，不能跑。
- ideal focusing magnetic field boundary 理想聚焦磁场边界
- A fearful person is a weak person. 怕这怕那的人是软弱的人。
- periodic focusing magnetic field 周期永磁聚焦系统
- This disco is a magnet for young people. 这家迪斯科舞厅经常吸引大批年轻的顾客。
- The shock made me go all weak at the knees. 这件事把我吓得两腿发软。
- His weak chest was a legacy of a childhood illness. 他那瘦弱的胸脯是儿时患病的后遗症。
- A magnet attracts both iron and steel. 磁铁吸铁也吸钢。
- In a weak moment, I agreed to pay for her holiday. 我一时心软同意了支付她度假的费用。
- Certain metals are attracted to a magnet. 某些金属会受磁石的吸引。
- He is weak with hunger, so I have to support him. 他饿得没有力气，我得搀着他。
- Objective To design a system of conductivity tomography using focused magnetic fields for data acquisition. 目的设计磁聚焦电导率成像系统硬件,实现数据采集。
- He pushed a weak student through the exam. 他帮助一位成绩差的学生通过了考试。
