单项选择题
所谓“地理纬度”是指________。
The "geographical latitude" refers to______
A．地球上某点的法线与赤道面的交角 The angle between the normal of a point on the earth with the equatorial plane
B．地球上某点和地心连线与赤道面的交角 the angle between a point on the earth with the center of the earth at the equatorial plane
C．地球椭圆子午线上某点和地心连线与赤道面的交角 The intersection of a point on the earth's elliptic meridian and the geocentric line with the equatorial plane
D．某点在地球椭圆子午线上的法线与赤道面的交角 The intersection of the normal line of a point on the earth's elliptic meridian with the equatorial plane
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