最薄弱的一环 meaning in Chinese

the weakest link surround

The strength of the chain is in the weakest link
链子的承受力在于最薄弱的一环。
This research firstly provides an overview of the chinese dairy industry chain and the new structure of current dairy industry in china is completely describes , then the focus was pointed on the production of raw milk which is the weakest link of dairy industry chain
本研究报告首先勾勒中国乳业产业链，力求较完整地体现当今中国乳业发展的最新格局，然后将研究视角切入乳业产业链最薄弱的一环? ?原乳生产环节。
Through systematically analyzing the composition and structure of concrete from three levels of macroscopic , microcosmic and ultra - microcosmic , the author of this paper found that the mechanical properties and durability of concrete depended on mainly its composition and structure . the interface , which is one of three composition of concrete ( hardened cement paste , aggregate and interface ) , is the most weak zone in concrete
作者通过对混凝土材料的组成和结构进行宏观、微观和细观三个层次的系统分析发现，混凝土材料的力学性能和耐久性主要取决于其微观的组织构成；在组成混凝土材料的三相(硬化水泥浆体、集料和硬化水泥浆体-集料界面过渡区)中，界面过渡区是其中最薄弱的一环。