This paper discusses the similarity criteria of air flow model, the selection of scale, equipment and instrument, and the calibration of model roughness.

本文探讨了气流模型的相似准则，比尺选择，设备仪器及模型加糙方法。

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The products are used in various fields such as home appliance, micro motor, computer, scanner, printer, communication, auto and machinery equipment and instrument etc.

产品广泛应用于家用电器、微型电机、电脑、扫描仪、打印机、通讯、汽车、机械仪表等精密领域。

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As the enhancement of naval ships' electronical degree, the structure of equipment and instrument becomes more and more complex, and the automatization degree becomes more and more high.

随着舰船电子化程度的提高，设备和仪器的结构越来越复杂，自动化程度也越来越高。

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It features similar exterior colors, carbon-fiber elements inside and out, enhanced leather equipment and numerous acid-green accents on items such as the brake calipers, illuminated sill plates, interior stitching and instrument cluster needles.

ENGADGET: Porsche opens 918 Spyder plug-in supercar pre-orders, $845,000 gets you a ticket to ride

Once out, he persuaded music instrument retailer Furtados to sponsor the gig and donate equipment for prisoners' use.

BBC: Stefan Kaye