词汇	Li Pei-zhong
释义	Li Pei-zhong 李佩钟
随便看	positive ion current positive-ion current positive ion density positive ion deterioration positive ion emission positive-ion emission positive ion exchange resin positive ion-exchange resin positive ion feedback positive ion generator positive ionic drugs Positive ion intensity positive ion linear accelerator positive ion mass spectrum positive ion mass speetrum positive ion mobility positive-ion ray positive ion rays positive ion ring positive ion-ring Positive ions positive ion sheath positive-ion sheath positive ion source positive-ion temperature