If you ever saw a dotted line standing upright, it's the Eiffel Tower.
如果你看到由点连成的竖线时，那就是埃菲尔铁塔。
2
That is to say, if you ever saw a dotted line standing upright, it's the Eiffel Tower.
也就是说，如果你看到由点连成的竖线时，那就是埃菲尔铁塔。
3
Taking a long-span transmission tower as example, finite element method was employed to construct a tower-line model and simulate the conduct dropping process.