From the two dimensions of the productive forces and relations of production, this chapter demonstrated the survival mechanism of micro-enterprises.
本章从生产力和生产关系两个维度论证了微型企业生存机理。
参考来源 - 微型企业生存与发展研究·2,447,543篇论文数据，部分数据来源于NoteExpress
不断变异和适应是病原体的生存机理。
Constant mutation and adaptation are the survival mechanisms of pathogens.
另一方面，科学家还需要弄清这些生物的生存机理。
On the other hand, scientists have had to explain how such creatures functioned.
尽管已经证实它们对HIV的生存是有必需的，但是确切的作用机理还不清楚。
Although they appear necessary for HIV's survival, precisely what they do that the virus needs is unknown.
应用推荐