超临界流体萃取是一种高效率选择性样品分离技术，已被广泛应用在工业生产、环境检测和分析化学等领域。

Supercritical Fluid Extraction is a highly effective and selective sample separation technique and has been widely used in industrial production, environmental analysis and analytical chemistry.

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应用流体力学和工业通风原理，分析了罗茨中央真空吸尘系统的管网阻力特性；

Tube Web obstruction property of Roots central vacuum cleaning system is analyzed with fluid mechanics and industry ventilate principle.

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单机性能的提高使得计算流体力学得到迅速推广，成为一般工业过程基本设计分析工具。

The CFD technique spreads quickly with an enhancement of the PC performance and becomes a basic tool for industrial design and analysis.

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