Data for gridding nodes are obtained from coordinate transformation and vacuation of the laser point clouds.

该方法首先将激光点云数据经坐标投影和抽稀后作为无单元模拟的节点坐标数据；

youdao

The expression for exciting with a laser line source is derived through analyzing the principle of exciting surface ultrasonic waves by a laser point source.

通过对点光源激励声表面波的机理进行分析，推导出线光源激励的表达式。

youdao

A team of physicists in the us has created an infrared laser beam at a point in mid air, by focusing a UV laser onto a tiny volume of oxygen molecules.

美国的一个物理学家团队通过将一束紫外激光聚焦于一小块氧分子中，发明了一种聚焦于半空中一点的红外激光束。

youdao

And actually, could one of the TFs grab the laser point?

事实上，其中一个TFs能不能找到那个激光笔？

哈佛公开课 - 计算机科学课程节选

You project the game field onto a the wall (in the case of Ground Kontrol, we taped up a few pieces of paper, which worked fine) and interact with objects using a laser point.

ENGADGET: Alpha Range iOS game requires a pico projector and laser pointer, we go hands-on (video)

An ingenious new laser called Waterlase adds to that the ability to cut through dry teeth and bone by casting a cloud of hot water vapor around the laser's cutting point, a couple of millimeters from the tooth.

FORBES: Magazine Article

Laser pens are sold as office equipment used to point out details on presentations.

BBC: Laser pens 'threaten Gatwick passenger safety'