grid reference
柯林斯词典
1. N a method of locating a point on a map or plan by a number referring to the lines of a grid drawn upon the map or plan and to subdivisions of the space between the lines 蓡考坐標格網法
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1. N a method of locating a point on a map or plan by a number referring to the lines of a grid drawn upon the map or plan and to subdivisions of the space between the lines 蓡考坐標格網法