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- magnetic focusing beam triode 磁聚束三极管
- In this paper, the aberration theory for cathode lenses with combined electrostatic and magnetic focusing is discussed in detail. 本文运用变分原理研究了电磁复合聚焦阴极透镜的象差理论,导出了在任意象平面中象差系数的普遍公式。
- The system's antenna emits a focused beam of millimeter wave energy. 该系统的天线发射出能量为毫米波的聚焦射束。
- 3D simulation of periodic cusped magnetic focusing sheet electron beam[J]. 引用该论文 王战亮;宫玉彬;魏彦玉;巩华荣;岳玲娜.
- There is dependence between e/m error and accelerating voltage or focus voltage in the measurement of e/m by magnetic focusing method. 在利用磁聚焦法测量电子比荷的实验中;测量误差与示波管的加速电压和聚焦电压存在较大的相关性.
- The operators themselves remain unaffected since the noise is contained in its focused beam. 而当噪音被包含进它的聚集的柱里时，操作者则不受影响。
- periodic permanent magnetic focusing 周期永磁聚焦
- It grew brighter and brighter, illuminating a large space unlike the focused beam of a flashlight. 光线越变越强，照亮了一大片地，不像是手电发出的一束光。
- Periodic magnetic focusing system 周期永磁聚焦系统
- As the labeled DNA flows through the channel, it passes oer a ery narrowly focused beam of light. 当标记的DNA从这个通道流过，它经过一个非常窄的会聚光束。
- magnetic focusing indicator tube 磁聚焦指示管
- To move a finely focused beam of light or electrons in a systematic pattern over (a surface) in order to reproduce or sense and subsequently transmit an image. 扫描：以系统的方式移动高度集中的光或电子束使之掠过（一个表面），目的是再现或感知并达到传递图象
- When these techniques are combined with a scanning focused beam system and a data acquisition system, abundance distribution of elemental composition can be displayed. 如果将粒子束聚焦;且装上扫描设备和计算机数据获取系统;可以得到样品中元素丰度分布的扫描图.
- Dalian is a magnet for tourists. 大连是吸引游客的地方。
- This red is a potent wine, dark, rich and concentrated, with a tight, intense, sharply focused beam of spicy currant, black cherry, blackberry and boysenberry fruit that unfolds gracefully, revealing extra facets of depth and complexity. 译文：这是一支有力的红酒，深色，富饶而集中，带有紧而浓郁的，极端凝聚的辛香的醋栗味，黑樱桃、黑莓和野生莓果香气，里面蕴含的优美的深度和复杂成分正在慢慢开启而还没有完全打开。
- A new algorithm is given, in which the factor of spherical wave front is removing explicitly.Thus the propagation of a focused beam could be evaluated indirectly from propagation of an unfocused beam. 为此提出了一种新算法:将球面波因子提出,将会聚光束的传输过程转化为非会聚光束的传输,从而间接地求得了聚焦光束的光场分布。
- 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
- 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。
- This device was one of four designed to focus beams of particles before they collide in the experimental areas. 共设计有四个这样的磁铁，主要是集中碰撞到试验区前的粒子束。
- A magnet attracts both iron and steel. 磁铁吸铁也吸钢。
