two poleadj.两极的twonum.二；两个two-dimension beam function双向梁函数two-stage image intensifier二级像增强器two-fluid chromic acid cell两液铬酸电池two-tube electrostatic lens双管静电透镜Two kinds of dynamic fracture两类动态断裂two dimensional concatenation二维连接关系two-sided linear classifier双边线性分类器Two stage sodium ion exchange二级钠离子交换Two Questions of Atom Physics关于原子物理中两个问题的注记two-dimensional maze search二维迷宫查找

1. Rough on the yarn or thread splicer can achieve very good results.
   对粗支纱或股线的捻接能达到非常好的效果。
2. The two threads got tangled up.
   这两股线缠在一起了。