VC系统下,地球坐标转换的源代码,在WGS-84坐标和北京54坐标之间的一套转换参数,可以全国通用的,在每个地方会不一样,因为它们是两个不同的椭球基准。-VC system, the Earth coordinates conversion source code, the WGS-84 coordinates and coordinate between Beijing 54 set conversion parameters can be nationwide, in every place to be different, because they are two different ellipsoid benchmarks.
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SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.001252s ]
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SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.001168s ]
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SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.001033s ]
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SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001265s ]
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