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- the caliber of the focus electrode 聚焦极口径
- Plural axially spaced electrostatic quadrupole lenses are formed between facing ones of the first and second groups of focus electrodes. 第一和第二组聚焦电极的面对的电极之间形成多个轴向隔开的静电四极透镜。
- Elliptical sheet beams with uniform current density are generated by the new-style electron gun geometry which comprises of an elliptically cylindrical cathode and an elliptical focusing electrode. 采用这种结构可以直接产生椭圆形带状电子注，且阴极发射电流密度较为均匀。
- Based on the preliminary design parameters given by the synthesis method, a simulating calculation program, EGUN, was used in the numerical figure design of the focusing electrode and the anode. 依据综合法给出电子枪的主要参数初值，由EGUN程序进行电子枪模拟计算，完成了聚焦极和阳极形状的设计。
- 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。
- focusing electrode type photomultiplier 聚焦极式光电倍增管
- 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。
- The electrode attached to this region. 晶体管内的电子附着在晶体管这个区域的电子
- 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。
- Please focus your minds on the following problem. 请集中考虑以下问题。
- 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。
