词汇	auxiliary propulsion
释义	auxiliary propulsion 辅助推进
随便看	cooperative object cooperative observations program cooperative observer cooperative office cooperative official business cooperative operation Co-operative operation cooperative operation of library cooperative optical transition cooperative optimal design cooperative optimization cooperative optimization algorithm cooperative oral eaglish learning cooperative organization cooperative organiza-tion Cooperative Organizations cooperative organizations in rural China cooperative orientation cooperative ownership cooperative ownership system cooperative particle swarm cooperative partner co-operative partner cooperative partner selection cooperative partnership