But the theory of animals' sensing earthquakes has gained enough ground that scientists around the world have attempted to test it, with mixed results.

但是动物能预见地震的说法已经在科学界占有一席之地，所以世界各地的科学家都在试图对其进行研究，虽然研究结果各有不同。

youdao

The theory of Mixed legal Systems is of great significance to the research of African legal system.

“混合法系”理论对于研究非洲的法系问题有着重要的意义。

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The theory of mixed volumes provides a unified treatment of various important metric quantities in geometry such as volume and surface area.

凸体的混合体积理论提供了统一处理各种不同的重要的几何量的方法，比如体积和表面积等。

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Experts reaction to the theory was mixed.

BBC: Bread blamed for short sight

The game, developed by a group of artists called Blast Theory along with the Mixed Reality Lab of the University of Nottingham, began in 2003 and extends for a few week session per year this year it takes place on April 18th to May 8th.

ENGADGET: Hunting for Uncle Roy

In the end, Mr. Kurlantzick's tendentious account of U.S. policy and actions is yet another example of developing a theory to explain history, then picking events and opinions mixed with facts to prove it.

WSJ: Book Review: The Ideal Man