"I realized that a lot of the civilizations we were talking about sat right along major tectonic plate boundaries," says Force, who is now affiliated with the University of Arizona, Tucson.

“我认识到现在谈论的很多文明正好位于主要地质板块的边界附近。”现在图森亚利桑那大学的佛思说。

youdao

Seimic precursor occurrence is the result from the action of "double force source", namely tectonic stress and the subsurface fluid force.

地震前兆的产生是“双力源”即构造应力和流体力联合作用的结果；

youdao

The force source of current tectonic stress field comes mainly from the westward and northwestward horizontal extrusions from the Pacific and Philippine Plates respectively to the Eurasian Plate.

反映出本区现今构造应力场的力源主要来自太平洋板块向西和菲律宾板块向北西对欧亚板块的水平挤压作用。

youdao

Mr Bush did not win because he better understood some tectonic force at work.

ECONOMIST: The end, at last