例句與造句

1. Abstract : a modified droplets trajectories analysis model is established for the efficiency estimation of liquid - liquid hydrocyclones based on the single vortex field theory
   文摘:在單渦流場理論基礎上建立了一種改進的油粒軌跡模型，用以預測油水旋流器粒級分離效率。
2. It's difficult to find efficiency estimation in a sentence. 用efficiency estimation造句挺難的