第2(单选) 按6°带投影的高斯平面直角坐标系中,地面上某点的坐标为:x=3430152m,y=20637680m,则该点所在投影带的中央子午线经度为( )。
A campus emergency ______ occur at any time of the day or night, weekend, or holiday, with little or no warning.
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