DMS/DD
WGS84
CGCS2000
GCJ-02
BD-09
KML
支持格式：114°22'00.XXX"，29°14'00.XXX" 或 114.2200XXX, 29.1400XXX
📍 WGS84 Standard
📍 CGCS2000 Projection
📍GCJ-02 (Mars)
📍BD-09 (Baidu)
