词汇	optional pe course
释义	optional pe course 体育选修课
随便看	carrier-to-receiver noise density carrier to spectral noise density ratio carrier-to-spur ratio carrier to thermal noise ratio carrier-to-total noise temperature ratio Carrier,Toxin carrier track carrier tracking carrier tracking loop carrier traking carrier transfer carrier transfer device carrier transfer filter carrier-transfer filter carrier transfer filters carrier transfer station carrier transition carrier transit time carrier transmission carrier transmission system carrier transmission system for subscribers carrier transport carrier transportation carrier transport mechanism carrier transport phenomenon