In order to express the concept and paraphrase of the term correctly, first, the content of cohesive strength is discussed in detail, and then the meaning of C is analyzed through Coulomb criterion.

• 为严肃学术气氛,准确表达述语概念及释义,首先详细讨论了粘聚强度的内容,然后着重由库仑准则着手分析了C的涵义,最后给出了C的确切定义为粘聚强度而不是粘聚力。