Quantum gravity theory and quantum cosmology are simply reviewed and their logical relations are discussed.

本文对量子引力理论和量子宇宙学作了简单述评，讨论了两者之间的逻辑关系。

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A diatropic contextual analysis indicates the actual contexts in which quantum gravity theory is proposed and the importance of explanatory contextual choices.

量子引力时空理论的横断语境分析，显示了量子引力理论提出的现实语境和对其进行求解的语境选择所具有的重要意义。

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Today the most popular approach to quantum gravity is string theory, which researchers hope could describe happenings in the universe at the most fundamental level.

目前研究量子引力最常用的方法是超弦理论，研究人员希望它能描述宇宙在最基本层面上的活动。

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This could be achieved by finding which one is right and which one is wrong, by finding that both string theory and loop quantum gravity are wrong and a third theory is right, or by finding that the two theories can be unified.

ECONOMIST: A new ��theory of everything�� is gaining ground

And we might be provided with clues that reveal the trail to unraveling the ultimate holy grail of fundamental particle physics -- a quantum theory of gravity.

CNN: Higgs and the holy grail of physics

With a quantum theory of gravity, we may be able to trace the Big Bang expansion back to its very beginning, and understand precisely how our universe arose, presumably from nothing.

CNN: Higgs and the holy grail of physics