问题
单项选择题
（） operates at a transfer rate of up to 9600 bits per second and is telephone，telex and facsimile（fax）capable.
A.INMARSAT A
B.INMARSAT C
C.SafetyNET
D.NAVTEX
答案
参考答案：A
搜题请搜索小程序“爱下问搜题”
（） operates at a transfer rate of up to 9600 bits per second and is telephone，telex and facsimile（fax）capable.
A.INMARSAT A
B.INMARSAT C
C.SafetyNET
D.NAVTEX
参考答案：A