transition flow的用法和樣例：
例句
- The thermodynamic processes and cycles of some characteristic gas parcels in the regenerator in a cyclic flow engine are analyzed thoroughly in Lagrangian's view.
摘要根據物理上直觀(guān)的拉格朗日法，分析了交變流動(dòng)發(fā)動(dòng)機中回熱器內代表性氣體微團的熱力過(guò)程和循環(huán)。
