The purifying process, basic working principle and optional design parameters of the equipment are stated.

阐述了该方法的净化过程、基本作用原理和装置的最佳条件实验研究。

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This thesis uses the CFD soft ware-FLUENT, realizes the simulation of airdistribution. The simulation offers guidance to the optional design of the air distribution of this type of problem.

本文通过运用CFD软件，实现了地下电站高大厂房几种送回风方式的数值模拟，可为此类高大空间建筑气流组织的优化研究提供参考。

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So it is suggested that ground improvement methods for the actual project should be analyzed carefully and the optional design should be conducted for the purpose of economy and reasonability.

本文分析结果表明，影响长短桩复合地基性状的因素很多，因此，应具体分析工程中遇到的实际地基处理问题，进行优化设计，以达到经济合理的目的。

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With a beautifully simple brushed-aluminum design and optional backlit keyboard, the HP ENVY m4 PC features a 14-inch diagonal HD display and third-generation Intel Core processors that deliver a rich visual experience and a burst of speed for heavy processing tasks.

ENGADGET: HP planning to launch an enterprise-friendly tablet 'soon'

The GL's 2013 updating brings along Mercedes's current spread-wing dash design, with standard Eucalyptus or optional burled-walnut wood veneer flowing into the doors' wainscoting.

WSJ: 2013 Mercedes-Benz GL350 BlueTec Review: A Quiet-Tuned Land Megayacht | Rumble Seat by Dan Neil

Instead, trademark law protects brand names, logos, symbols, designs and other optional elements of apparel and accessories, and trade dress law protects the design, packaging or appearance of apparel and accessories, solely to the extent they identify the source and origin of such products.

FORBES: Protecting Fashion Designs