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- Dynamic-focus electron gun(DFG)can be used to improve the edge displayproperty of CRT. In this paper,a type of DFG is calculated and analyzed. Static focus characteristic,dynamic focus characteristic,and the quadrupole field are discussed. 采用动态聚焦电子枪能够提高CRT的边缘分辨率，本文对一种动态聚焦电子枪进行了计算与分析，并讨论了其静态聚焦特性、动态聚焦特性及四极场的作用。
- I do not get any static on my set. 我的电视机没有静电干扰。
- static focusing 静电聚焦
- A defect of vision prevented him from focusing accurately. 视力上的缺陷使他不能准确对焦。
- There was too much static to hear their message clearly. 静电干扰太大,听不清他们的电讯。
- Even with static population, consumption rose steeply. 即便人口保持稳定，消费亦大幅增加。
- We are currently focusing seriously on this matter. 我们正在严肃地处理这个问题。
- House prices, which have been static for several months, are now rising again. 房价稳定了几个月，现在又上涨了。
- This film forgives errors in focusing. 这种胶片容许调焦误差。
- There are two ways to refer to a static variable. 有两个办法可引用一个static变量。
- It is the opposite of static, laze, and passivity. 自我表达和静止、散漫、被动是恰恰相反的。
- Just focusing upon these notes is not enough. 仅仅专注于这些音调是不够的。
- The film forgives errors in focusing. 这种胶卷容许调焦误差。
- Weathering of rock is essentially a static process. 岩石的风化作用基本上是一种静力作用。
- Synthesis section design was relatively static. 合成部分设计却没有多少变动。
- You create whatever you're focusing on. 你将在自己一直关注的东西上做出创造。
- My camera has automatic focusing. 我的相机是自动对焦的。
- Static friction is greater than sliding fricton. 静摩擦力大于滑动摩擦力。
- He is focusing on orphans this year. 今年，他又在关注一批孤儿的命运。
- We are focusing on less active work. 我们集中注意在不活跃教友的工作上。
