Many known conditions are required when using numerical simulation, physical simulation, pure experimental correlation method and so on.

用数值模拟、物理模拟和纯经验相关法等需要大量的已知条件。

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The equation gives a good correlation for vapor pressures of pure solvents as well as P-V-T behaviors of supercritical carbon dioxide.

该方程较好地关联了纯溶剂蒸汽压及超临界二氧化碳的P-V-T关系；

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For homotopic interaction, the saturation curve, molecular conformation vs ligand curve and certain correlation functions etc. are obtained by means of pure matrix algebra.

对于等同配位体的相互作用，以纯矩阵代数方法，得到饱和曲线，分子构象-配位体曲线以及某些关连函数等等。

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By using this correlation criterion, the Fund provides exposure to pure-play oil companies with significant oil reserves that are not as involved in other industries such as natural gas or downstream operations.

FORBES: ETF Investing Made Easier By Two New Funds