There are a lot of data of wax deposit in oil well home and abroad, in which most are analysis on macroscopic property while systematic researches of oil mechanism are very few.

国内外油井结蜡分析的资料有很多，其中宏观性质上分析占大多数，原油机理方面的系统研究很少。

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The apparent arrow of time emerges as a property of the macroscopic system, but it's not there in the laws that govern the individual particle interactions.

很显然时间箭头成为了宏观系统的一种性质，但没有定律来控制单个原子间的相互作用。

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Based on the aggregate relationship between of polycrystals and single crystals, orthotropic property of microscopic single crystals could be defined from macroscopic material by numerical simulation.

假定高温合金材料是单晶材料的集合体，通过数值模拟的方法，利用多晶与单晶之间的关系，可以由宏观材料参数估计微观单晶晶粒的材料属性。

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