doubleendadj.双端的(两端引出式)doubleadj.双重的；成双的；两倍的v.翻一番；使 ... 加倍n.两倍；双份double hresholds[电] 双限double snap roll双夹滚子Double trisomics双三体double curvature双曲率double quenching二重淬火,复淬double dichotomy双二分法,二重二分法double switching双管double-grating双光栅double nonlinear双重非线性double data rate双数据率