method of lines

例句：

1. 1. The engineer used the method of lines to calculate the stress in the beam.
   工程师使用线法来计算梁中的应力。
2. 2. This is a common method of lines used by architects.
   这是建筑师常用的线法。
3. 3. The method of lines was developed by ancient Greek mathematicians.
   线法是由古代希腊数学家发展出来的。