There are a lot of data of wax deposit in oil well home and abroad, in which most are analysis on macroscopicproperty 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。
2
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。
3
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.