线

• Trunk roads may be shown by heavier line .
  干线公路可用粗线。
• These two lines coincide with each other .
  这两条线彼此相合。
• We have taken films about every two months .
  我们大约每两个月拍一次X线照片。
• One end of that string was not fast to my heart .
  线的一头不是系在我的心上。
• The shoreline regressed in response to the situation .
  滨线退到相应的位置上。
• He then treated the evolute of a plane curve .
  然后他讨论了平面曲线的渐屈线。
• The grid lines then form a network of squares .
  这样网格线就形成了正方形网格。
• The dooms of the two are closely linked .
  一条线拴俩蚂蚱。
• Fig12 is taken from a compilation of flight lines .
  图12取自飞行测线汇总资料。
• There must be no kinks in the detonating fuse .
  引爆线中不应有扭曲和打结现象。