This gives you a little bit of an idea of just how many individual photons there are in a laser beam of light.(这让你对一束激光中有多少个光子有了一点概念。)
During tests over several days, the pointer or tracker tracked an IR source and directed a laser beam at that source.(在几天的测试中，指示器或跟踪器跟踪一个红外光源，并引导激光束击中目标。)
He made contact with someone with an idea for reconditioning laser copiers.(他联系了一个懂得修理激光复印机的人。)
Since we have my red laser pointer, we will also try with the red laser pointer, which is centered at wavelength of 700 nanometers.(因为我们有我的红色激光笔，我们也会尝试红色激光笔，它的中心波长是700纳米。)
He shot light from a laser out the end of the cable onto the diaphragm.(他从一激光器射出光束，正对有电缆一端的振动膜上。)
The print quality of the new laser printer is superb.(新激光打印机的打印质量好极了。)
She's had laser surgery on her eye.(她做了眼部激光手术。)
Viper Strike is a gliding munition capable of precision attack from extended ranges using GPS-aided navigation and a semi-active laser seeker.(ViperStrike是一种滑行军需品，能够使用GPS辅助导航和半主动激光导引头从更远的范围进行精确攻击。)
This is a virtual keyboard with laser impressions on any table or other surface.(这是一个可以在任何桌面或其他表面投射激光的虚拟键盘。)
The car mistakenly thought that the laser beam was in its way and slowed down or changed the direction.(汽车误以为激光束挡住了它的路，于是减速或改变了方向。)
