短語詞組短語ground rock mass 地面巖體ground -state mass of nuclide 原子核基態(tài)質量ground state baryon mass 基態(tài)重子質量additional pollutant ground mass concentration 污染物地面附加質量濃度ground stress of rock mass 巖體地應力mass ground control 集中引導plant mass above ground 草地地上部產草量 返回 ground mass