two all二平
twonum.二;两个
two-dimensional DOA二维波达方向
two vanishing moments二阶消失矩
two mirror anastigmat双镜消像散镜
two-sided sequences双边序列
two-layered subsoil双层地基
two-stage stripping两段汽提
two stage link system两级链路系统
two-hybrid analysis双杂合(体)分析
two phase transformer双相变压器
two-tone modulation双音频调制