Given that position information does not change too often, it is usually sufficient to establish an initial position fix and then acquire updates periodically after that.
在位置信息并非如此频繁的发生改动的情况下，获取一个初始的位置之后，周期性的更新位置就足够了。
This paper introduces a method to position-fix point of impact when shooting ground targets from aircraft cannons and a way to realize automatic scoring.
本文介绍一种用于航炮打地靶的弹着点定位方法及实现自动报靶的途径。
This paper introduces a method to position-fix point of impact when shooting ground targets from aircraft cannons and a way to realize automatic scoring.
本文介绍一种用于航炮打地靶的弹着点定位方法及实现自动报靶的途径。
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