增强群呼 meaning in English
egc
enhanced groucall
Examples
- Enhanced group call
增强群呼egc - Global maritime distress and safety system - part 4 : inmarsat - c ship earth station and inmarsat enhanced group call equipment - operational and performance requirements , methods of testing and required test results
海上呼救和安全装置.第1部分: inmarsat - c船地面站和inmarsa增强群呼设备.操作和功能要求.试验方法和规定试验结果