pq interval间: space in between; opening期: designated timepq: (价格乘数量)是总产出; 百草枯; 魁北克人党; 渗透商; 渗透系数间期: interphase; p-q p-r interval p-q/p-r; q-t interval q-t; qtc; qtmin; stipq interval: pq间期下载手机词典可随时随地查词查翻译