问题
单项选择题
The position of the POR satellite in the Inmarsat system is（）above the equator.
A.55.5W
B.64.5E
C.15.5W
D.178E
答案
参考答案：D
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The position of the POR satellite in the Inmarsat system is（）above the equator.
A.55.5W
B.64.5E
C.15.5W
D.178E
参考答案：D