This method is based on the measurement of the rate of air flow through a given area of fabric by a given pressure difference across the fabric.
这个方法是基于对空气流速的测量：在一块既定面积的面料上，通过面料两边不同的压差来获得。
On the basis of the relevant theory of colorimetry, a test system is designed for object color appearance measurement and its color-difference evaluation using photoelectric integrating method.
本课题在相关色度学理论的基础上，设计了一种采用光电积分型测量方法对物体表面颜色外貌进行测量并对其予以色差评价的检测系统。
We have made a novel instrument for the measurement of work function using contact potential difference method.
利用接触势差法自行设计开发了一种新型的表面功函数测试装置。
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