A. HSF芯片和晶振 B. 光电耦合芯片 C. 功放芯片和蜂鸣器 D. 跳线和EPROM
A. 100mm B. 150mm C. 180mm D. 210mm
A. 正确 B. 错误
A. from any INMARSAT satellite B. via any appropriate Navtex and EGC station C. via the satellite the MES is tracking D. from any RCC and coast statio