激光目标指示器的两个主要功能是为寻的武器提供目标指示和测距。
The laser target designator has two functions which are guidance and range finding.
而激光制导武器投放的主要误差来自于激光目标指示器的指示误差。
However, delivery error of LGWs are mainly the designation error from laser designator.
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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