单词	operation level
释义	operation level 工作磁平
随便看	request radar blip identification message request radar blip identification messagerar request radar vector request reasonably Request reason not starting engines request recovery request reexamination request reluctantly request repeat request repeat signal request-repeat signal request repeat system request-repeat system request repeat system by interference detection request repeat system with error detection code request-reply service request reponse unit request report request report intrinsic requestREQ Request,Required request response request-response Request/Response request response header