文中所得结果能用于分析光线或光束通过复杂光学系统的变换和多元件光腔的问题。
The results given in this paper is useful for analysing the transformation of ray or beam through a complex optical system and the problems of multielement resonators.
汽车误以为激光束挡住了它的路，于是减速或改变了方向。
The car mistakenly thought that the laser beam was in its way and slowed down or changed the direction.
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。
During tests over several days, the pointer or tracker tracked an IR source and directed a laser beam at that source.
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