twovalueadj.二值的twonum.二；两个two-element splines interpolation二元样条函数two thousand four hundred and forty(=2440) 二千四百四十Two Applications of Vernier Caliper游标卡尺的两种应用Two-dimensional analytical method直线电动机two - dimensional electrophoresis双向电泳two condition start stop modulation双态起止调制two-points temperature correction两点校正two-channel biophysical input box二导生理信号输入盒two - dimensional eleetrophoresis双向电泳two phase liquid-solid lubricants固液两相润滑剂