作者定义了矿井瓦斯积聚信息熵的概念，并给出了其计算关系式。
In this paper, the authors defined the conception of information entropy of mine gas accumulation and gave the calculation formula.
使用逻辑符号来定义与厘清基础数学概念，例如集合、关系式、函数和整数。
Use logical notation to define and reason about fundamental mathematical concepts such as sets, relations, functions, and integers.
第二章给出了相关矩阵的定义及基本关系式。
在实验结果的基础上，通过定义壁面修正因子考虑壁面效应的影响，得到了颗粒堆积多孔介质在小填充层数时流动阻力特性的准则关系式。
On the basis of the experimental results, the empirical correlation equation was determined by taking into account of the wall effect with a wall modified factor.
根据剪切率和能量耗散率的定义，建立了幂律流体湍流剪切率与能量耗散率的关系式。
According to the definition, a relationship between the shear rate and the energy dissipation rate is obtained for turbulent flow of power law fluid.
根据定义的负压波反射系数关系式和瞬态压力响应图，应用行波计算方法得到泄漏点的全部信息（泄漏流量和位置）。
The full information(leak flow and location) of leak point is obtained applying the analysis of transient pressure plot and formula of negative pressure reflectance.
根据拓扑熵的定义公式，用逆像点个数的方法找到了有限长度超稳揉序列词的拓扑熵的差分关系式。该函数关系式直接依赖于揉序列词。
According to the definition of topological entropy, a new method of calculating topological entropy is found, which directly depends on the kneading sequence or word.
本文定义并构造了柱矢量波函数，导出标准和非标准柱矢量波函数的转换关系式。
In this paper, the normal and abnormal cylindrical vector wave functions are constructed and their conversion relations are found out.
文章推导了HB的表达式，并将HB、PMV与主观评价的结果进行了对比，给出了HB与PMV的关系式，定义了HB的热感觉标度，因此可以用于普通热环境的客观评价，也可以作为PMV的一种简易计算方法。
The expression is deduced and the relation equation between PMV and HB is given, so it can be used for objective evaluation of thermal environment or a simply way to calculate PMV.
定义了渗透率的应力敏感系数，在应力敏感系数的基础上，建立了渗透率随有效应力的变化关系式，为建立应力敏感性油气藏渗流模型奠定了基础。
By this method, core permeability in reservoir condition can be calculated conveniently, which provides a basis to establish percolation model of stress sensitivity oil and gas reservoir.
定义了渗透率的应力敏感系数，在应力敏感系数的基础上，建立了渗透率随有效应力的变化关系式，为建立应力敏感性油气藏渗流模型奠定了基础。
By this method, core permeability in reservoir condition can be calculated conveniently, which provides a basis to establish percolation model of stress sensitivity oil and gas reservoir.
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