利用被动锁模、自孔径选模适当选择脉冲氙灯放电网络参数，得到了近似矩形的激光脉冲。

Approximately rectangular pulse shape is obtained by passive mode-looking, self-aperture mode-selection and proper selection of parameters of the discharge network for pulsed Xe-lamps.

youdao

给页面截图，导入到Photoshop中，然后画一个空白的矩形，尝试近似的渐变、发光和阴影，直到你得到一样的外观。

Take a screenshot of the page, import it in Photoshop, then draw a blank rectangle and try to approximate the gradients, glow, and shadow used until you get the right look.

youdao

对不规则件的处理基本上是基于规则零件排样处理的矩形近似方法和对不规则零件直接处理两种方法。

One method about irregular shapes is approximately rectangle solution method based on regular shapes packing, the other method is to deal with the irregular shapes directly.

youdao