Researchs about the polychronicity breakthroughs the traditional view of time being linear, single-dimensional and began of time being nonlinear, non single-directional.
多项时间取向的研究突破了传统的时间是线性、单维性的观点，开始了对时间的非线性、非单方向性的研究。
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Artificial immune system analyses dimensionless indicators of time domain for concurrent failures, has drew a widespread law based on non-dimensional index for concurrent fault diagnosis.