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Its theoretical pillars are the theory of matter-element and the theory of extension set.
其理论支柱是物元理论和可拓集合。
youdao
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Thirdly, theoretical basis of complex system brittleness has been set up.
再次，建立了复杂系统脆性研究的理论基础。
youdao
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Thirdly, theoretical basis of complex system brittleness has been set up.
再次，建立了复杂系统脆性研究的理论基础。
youdao