annular flow的用法和樣例：
例句
- Theoretical expression ot the wall shearing stress has been deduced for the level rotary flow in an internal energy dissipation tunnel.
摘要本文推導了水平旋轉內消能泄洪洞空腔環流壁面切應力的理論分析表達式。 - It is to get a maximum flow with the source flow and the terminal flow being proportionable to solve the circulation problem.
環流間題實質上是一種帶增益的一般網路最大流問題，它要求特定的源點和匯點的流量成一定的比例關係。
