Line integrals are used extensively in the theory of functions of a complex variable.
在复变量函数理论中广泛使用线积分。
This paper gives an analytic solution of non-circle opening based on linear viscoelastic theories and theory of function of a complex variable.
本文根据粘弹性体的理论与复变函数理论给出了非圆形巷道(洞室等)的粘弹性解析解。
Based on Biot's dynamic theory, the method of complex variable functions is used to solve the problem of scattering of elastic waves by circular cavity with lining in saturated soil.
运用复变函数法，在Biot波动理论的基础上，对饱和土中的圆形衬砌结构进行分析。
Because the basis of theory is not complete and the large project management is complex and variable, it causes the large project quality management becomes very complicated and difficult.
理论基础还在不断完善，再加上大型工程项目本身具有规模大、投资额高、技术复杂和参与者众多的特征，造成现实中大型工程项目的质量管理变得相当复杂和棘手。
Because the basis of theory is not complete and the large project management is complex and variable, it causes the large project quality management becomes very complicated and difficult.
理论基础还在不断完善，再加上大型工程项目本身具有规模大、投资额高、技术复杂和参与者众多的特征，造成现实中大型工程项目的质量管理变得相当复杂和棘手。
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