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【多选题】
为什么要进行地图投影?A.
地理坐标为球面坐标，不方便进行距离、方位、面积等参数的 量算
B.
地球椭球体为不 可展曲面
C.
地图 为平面，符合视觉心理
D.
易于进行距离、方位、面积等量算和各种空间分析
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皮皮学刷刷变学霸
举一反三
【单选题】From the conversation above, we know Jim has the problem about________. Jim: I’ve had a lot of trouble getting through to you. Your call centre wouldn’t put me through. Clerk: I’m sorry. We’ve been ve...
A.
the phone
B.
calling
C.
center
【单选题】Jim: I’ve had a lot of trouble getting through to you. Your call centre wouldn’t put me through. Clerk: I’m sorry. We’ve been very busy this morning. Please explain the problem, and I’ll see what ...
A.
the phone
B.
calling
C.
center
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