Infinitesimal strains cannot yet be recorded . 我们还不能将这些极小量的应变记录下来。
2.
The aim of this paper is to search for practical nonlinear viscoelastic relations and the solution approach for viscoelastic problems in the range of infinitesimal strain 本文的研究目的在于寻找小变形范围内工程实用的非线性粘弹性本构关系及非线性粘弹性问题的求解方法。