twicern.做二次的人
twiceadv.两倍;两次
twice-frame-difference二次帧差
Twice weekly I go swimming每星期我去游泳两次。
twice curve fitting method二次曲线拟合法
Twice-step ageing method分级时效
twicecrossing intersection二次过街
twice-striding technique双蹬技术
twice frequency oscillator双频振荡器
twice-Sturm transformation两次Sturm变换
twice-frequency oscillator双频振荡器
twice ordering opportunities两次订购机会