The J reveals that a coordinate system known as J2000 is being used, while the 1302 and 6350 are coordinates similar to the latitude and longitude codes used on Earth.
“J”代表它使用的J2000坐标系统，“1302”和“6350”是与在地球上使用的纬度和经度相似的坐标值。
In the terminology of the Spatial Extender, this is the Spatial Reference system (SRS), a combination of an earth-based coordinate system and a set of numeric conversion parameters.
在Spatial extender术语中，这是Spatial Reference System (SRS)，它组合了基于地球的坐标系和一组数字转换参数。
According to the basic theory of GPS navigation and SINS navigation, the comprehensive mathematic models of integrate navigation system is built under Earth Center Fixed coordinate system.
根据GPS导航和SINS导航的基本关系，在地心地固坐标系下建立了完整的深层全组合导航系统的数学模型。
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