这个计画的目的在测试一个名为层流控制( Laminar Flow Control) 的理论实际应用在飞机上的效果, 而由 Northrop 公司改装了二架 Douglas B-66 D, 为 USAF 进行这方面的研究.
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The numerical calculation results show that the favorable pressure gradients have apparent laminar flow control property, and the unfavorable pressure gradients have a strong unstable influence.
数值计算结果表明，顺压梯度有明显的延缓转捩作用，逆压梯度有较强的不稳定作用。
Looking at that in the lab, it becomes a function of airfoil shape, and also of the flow control technologies you use to enhance the laminar flow with conformal trailing edge surfaces.
实验室的研究表明，它已经成了机翼的一项功能，也是通过适形机翼后缘表面来增强层流的流控制技术的功能。
METHODS the standardization of surroundings administration of laminar air-flow wards based on the series standardization of ISO9000 was brought forward to prevent and control nosocomial infections.
方法引入ISO 90 0 0系列标准，提出层流病房环境管理标准以预防和控制医院感染。
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