地理和投影坐标系都包含对地球形状的假设(一个略扁的球体);这称为大地基准点。
Both geographic and projected coordinate systems include a definition of the assumed shape of the earth (a flattened sphere); this is called the geodetic datum.
这个投影基于地球的形状是球体模型的前提提供了以米测量的地球数据。
This projection provides data measured in meters across the globe, basing the shape of the earth on a sphere model.
形状有点古怪(像倒置的雨点),它自诩拥有800万像素的摄像头,Dual-side微型投影机,无线充电,并内置蓝牙适配器。
The shape is a little odd (sort of like an upside down raindrop), but it boasts an 8 megapixel camera, dual side pico projectors, wireless charging, and an embedded Bluetooth dongle.
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