For instance, says Phuong Huynh, a postdoc who worked on the project, a computer simulation of fluid flow around an obstacle in a pipe could depend on a single parameter: the radius of the obstacle.

Phuong Huynh，一个工作在这个项目的博士后说道，例如一个计算机对流体流过管道内的一个障碍物的模拟可以依赖于一个单独的参数：障碍物的半径。

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A major obstacle in production information integration of network based manufacturing is that the flow of information models between various design softwares is difficult.

在网络化制造中进行产品信息集成的一个重要障碍就是设计软件之间的信息模型的流动困难。

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The author brought forward the countermeasure to lead the reasonable rural surplus labor flow on the basis of analysis to the rural surplus labor transfer obstacle.

作者在分析农业剩余劳动力转移障碍的基础上，提出了引导农业剩余劳动力合理流动的对策。

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"Export controls remain the most powerful obstacle to the development and free flow of encryption, but they are steadily being relaxed because of the Internet and demands for secure electronic commerce, " the report said.

CNN: Survey finds encryption rules loosening worldwide

Power lines are extremely hostile places for data signals, with high levels of electronic noise and an obstacle course of transformers, surge arrestors and splices that create a huge impedance to the free flow of high-frequency signals.

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