You know the theory that earth's continents were once joined together and only split apart relatively recently?

大家都知道地球上的大陆曾经连在一起，直到最近才分开的那个理论吗？

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The theoretical research approaches involve arched girder load split process, rigid-body limiting equilibrium process, plasmodium process, reliability theory, etc.

理论研究方法有拱梁分载法、刚体极限平衡法、变形体法、可靠度理论等。

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Based on the theory of dynamic fracture mechanics, the mechanism of crack-forming among shot holes in the directional split of rock by controlled blasting is expounded.

基于断裂动力学理论，文章论述了切缝药包定向断裂控制爆破炮孔间贯通裂纹形成的机理。

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After all,the problem that fission raises for the personality theory, in a nutshell,is that personalities can split,they can branch.

说到底，人格理论裂变问题的产生，总而言之就是由于人格可以分裂。

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In theory, that means these stroke patients should respond to split-belt treadmill training, Dr. Bastian says.

WSJ: Split-Belt Treadmill Therapy for Stroke Patients