A、<span style=";font-family:微软雅黑;font-size:15px"><span style="font-family:微软雅黑">大地水准面;</span></span><span style=";font-family:Tahoma;font-size:15px"> </span></p><p></p>
B、<span style=";font-family:微软雅黑;font-size:15px"><span style="font-family:微软雅黑">水准面;</span></span></p><p></p>
C、<span style=";font-family:微软雅黑;font-size:15px"><span style="font-family:微软雅黑">水平面</span></span></p><p></p>
D、<span style=";font-family:Tahoma;font-size:15px">1985</span><span style=";font-family:微软雅黑;font-size:15px"><span style="font-family:微软雅黑">年国家大地坐标系</span></span>
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