Meridian These are similar to UTM zones. Both apply to large areas based on a line of longitude, both are often left out of field data, and the position is not uniquely defined without them!
子午线与通用横向麦卡托分区相似，同样以一条经线为基础询问大区域，同样通常忽略现场数据，且位置不是绝对的。
Meridian These are similar to UTM zones. Both apply to large areas based on a line of longitude, both are often left out of field data, and the position is not uniquely defined without them!
子午线与通用横向麦卡托分区相似，同样以一条经线为基础询问大区域，同样通常忽略现场数据，且位置不是绝对的。
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