1·Magnetic coils focus the electron beams into fine spots.
磁线圈将电子束聚焦成细小的点。
—— 《柯林斯英汉双解大词典》
2·The electron beams work by interfering with microorganism DNA.
电子束通过干扰微生物DNA从而发挥作用。
3·A microscope that USES electron beams to visualize subcellular components.
应用电子束对亚细胞成分进行成像的显微镜。
4·The results demonstrate that the electron beams emitted from concave cathode are focused obviously.
试验结果表明，凹面阴极发射电子束会聚明显。
5·In this paper, the interaction of intense pulsed electron beams with dielectric targets is presented.
采用强流脉冲电子束轰击固体介质样品，研究了强流脉冲电子束与固体介质的相互作用。
6·Thus, the energy of the electron beams is temporarily changed-just like light beams on passage through optical lenses.
这样，就象光通过光学透镜一样，电子束的能量被暂时改变了。
7·Influence of focus electrode bias, focus hole size and grid electrode bias on the emission electron beams was discussed.
分别讨论了聚焦极电位、聚焦极孔径以及栅极电位对发射电子束的影响。
8·Some 3D printers spread metal powders on the print table and sinter the pattern with lasers or electron beams, rather than using masks.
比如一些3D印刷机在印刷台铺撒金属粉末之后，采用露光模板以外的激光或电子束方式进行热凝处理来产生样模。
9·Optical transition radiation (OTR) has been widely studied as a diagnostic means of electron beams in mid and high energy region.
光学渡越辐射(otr)作为中高能段束流诊断方法，已被广泛地研究。
10·An approximate solution of the paraxial ray equation for cylindrical dense electron beams was obtained by means of the Taylor expansion.
本文提出圆柱形强流电子束的傍轴轨迹方程，可以用台劳展开求出它的近似解。