单选题太阳真出没是指（）。A太阳上边沿与水天线相切时B太阳上边沿与测者地心真地平相切时C太阳中心恰好通过测者地心真地平时D太阳下边沿恰好与测者地心真地平相切时
单选题
太阳真出没是指（）。
A
太阳上边沿与水天线相切时
B
太阳上边沿与测者地心真地平相切时
C
太阳中心恰好通过测者地心真地平时
D
太阳下边沿恰好与测者地心真地平相切时
参考解析
解析：
暂无解析
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