As a idealization model, the incompressible Newtonian fluid flow through local constricted straight rigid cylindrical tubes has many application not only to biomedical science but also engineering.

• 局部狭窄刚性直圆管内不可压缩的牛顿流体的流动，作为一个简化模 型，它不仅在生物医学中可以找到应用背景，而且在工程实际中有许多问题都 可以简化成为该模型。