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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。
- He was too shortsighted to focus on the object. 他由于近视过深而无法把视力焦点对准在该物体上。
- He always wants to be the focus of attention. 他总想成为注意力的焦点。
- You should focus your attention on your work. 你应该把注意力放到工作上。
- The focus on my camera isn't working properly. 我的照相机上的调焦装置有毛病。
- In tonight's programme our focus is on Germany. 在今天晚上的节目中我们重点介绍德国。
- For me, your explanation is a bit out of focus. 对我来说，你的解释还不太清楚。
- A defect of focus, such as blurring in an image. 像差焦点不准确而造成的物像模糊
- She always wants to be the focus of attention. 她老想成为人们注意的中心。
- Her beauty makes her the focus of attention. 她长得漂亮，很惹人注目。
- I got her in focus before I took the photo. 我在拍摄前先用镜头把她对清楚。
- He took out the binoculars and adjusted the focus. 他取出双筒望远镜并调整了焦距。
- There was too much static to hear their message clearly. 静电干扰太大,听不清他们的电讯。
- Please focus your minds on the following problem. 请集中考虑以下问题。
- Even with static population, consumption rose steeply. 即便人口保持稳定，消费亦大幅增加。
- 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。
- All the sides of the question have come into focus now. 现在问题的所有方面都清楚了。
- I can't focus my thoughts today. 今天我的思想集中不起来。
- There are two ways to refer to a static variable. 有两个办法可引用一个static变量。
- 今日热词
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- 深远海浮式风电平台 - deep-sea floating wind power platform
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- 京雄高速公路 - Beijing-Xiongan expressway
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- 农业及相关产业增加值 - the added value of agriculture and related industries
