An Ordnance Survey grid reference gives the position of a place to within 100 metres.

全国地形测量局的地图坐标标示某地的位置精确到100米以内。

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We'll also touch on the Military Grid Reference System (MGRS), which is based on UTM.

我们还要提到以utm为基础的军事格网参考系(MGRS)。

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We'll also touch on the Military Grid Reference System (MGRS), which is based on UTM.

我们还要提到以utm为基础的军事格网参考系(MGRS)。

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