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1·Third, the beam spot size on target is increased by using a diffusing foil.

并用散射的方法扩大靶上的束点。

2·There are no evident energy gain when the focal spot size is too big or small.

电子的能量增益有一个最佳焦斑大小。

3·With smaller laser spot size and thiner marking line, it is suitable for fine graphics and text.

光斑模式好，打标效果精细，适合一些精细图文的标记。

4·The paper introduces the method of digital signal processing in the measurement system for spot size.

本文介绍了在光点测试系统中的数字信号处理方法。

5·Using this focusing system, the laser microbeam instrument has got the focal spot size of less than 0.

用这个激光聚焦系统，激光微束仪能获得直径小于0。

6·The spot size of laser and its beam waist is the important parameter for assessing the performance of lasers.

激光光斑尺寸和激光束腰光斑尺寸是衡量激光器性能的重要参数。

7·Spot size detection method is representative method to obtain a focus error digital optical disk storage system.

光斑尺寸法是数字光盘信息存储中的典型聚焦误差探测方法。

8·The parameters are laser power, power density, beam spot size, welding speed, laser mode and auxiliary gas blow.

研究了激光焊缝质量与激光焊接工艺参数的关系；

9·The effect of laser peening is related to power of laser, spot size of laser, material mechanic property and so on.

激光喷丸的效果与脉冲的能量、光斑直径的大小、材料的力学性能等因素有关。

10·The simulation results indicate that the adaptive beam expander can be used to control the focusing length and spot size.

数值模拟结果表明，自适应扩束系统能够实现对“飞行光束”聚焦特性亦即焦点位置与焦斑大小的控制。