Currently, there are three prospective theories: loop quantum gravity, string theory and supersymmetry.
而现在有此种潜力的侯选理论有三个:圈量子引力理论,弦论,和超对称。
参考来源 - 基于Stachel弦宇宙理论的均匀但各向异性BianchiⅠ型宇宙精确解·2,447,543篇论文数据，部分数据来源于NoteExpress
在它的众多先驱里，最著名的当属弦论。
Of its many predecessors, the most popular is string theory.
这可以在实验室中进行测量，而且结果将证明弦论是否真正有效。
This can be measured in a lab, and the results will demonstrate whether string theory actually works.
弦论是一种最广为接受的统一场理论，但是它仍然存在争议。
It's the most widely accepted unified field theory, but it remains controversial.
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