该模型克服了现有工作流模型如基于有向图工作流模型对系统变化适应性不足的问题。
The model enhances the adaption of the existing workflow model based on directed graph as the system changes.
由于“斜向流”的作用，将迫使进出船闸的船舶扭转和强烈震动颠簸漂移，偏离航迹线，对船只航行是不安全的。
Because of the oblique flow, the ships are distorted, intensively shaken and bumpily deviated, finally, will offset the navigation's channel.
利用不同流向BAF反应器的特性以及优化反冲洗操作，对典型的两级上向流陶粒曝气生物滤池工艺进行改进试验。
The improvement test of typical two-stage up-flow biological aerated filter(UBAF) with ceramsite was performed using the characteristics of different flow BAFs and the optimized backwash operation.
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