单词	zero， ground
释义	zero， ground爆心投影地點核能名詞
随便看	representative representative action representative area representative basin representative bias representative bureaucracy representative calculating operation representative calculating time representative computing time representative consumer representative--coset representative cruising air representative cruising air speed representative cruising air--speed representative democracy representative director representative domain representative doublet representative element representative firm representative fraction representative fraction{=rf} representative fraction 分数式比例尺 representative fraction（rf） representative government