问题
单项选择题
The NCS of INMARSAT-A system in the IOR is in（）.
A.Goonhilly, UK
B.Yamaguchi, Japan
C.Perth, Australia
D.Southbury, USA
答案
参考答案：B
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The NCS of INMARSAT-A system in the IOR is in（）.
A.Goonhilly, UK
B.Yamaguchi, Japan
C.Perth, Australia
D.Southbury, USA
参考答案：B