n. plain glass
misc. zero diopter
本文对氟利昂22在水平光滑管和内螺纹管内的流动沸腾换热特性进行了实验研究。
Flow boiling heat transfer characteristics in horizontal smooth tubes and internal grooved tubes of R22 are experimentally investigated.
根据您对起居室外观的要求，也可以使用具有良好的耐擦洗性和耐沾污性的平光涂料。
According to the requirements of the appearance of your living room, you can also use a good scrub and stain resistance of plain paint.
背景光对兰圆鲹在水平光梯度内之趋光性有影响。随着光强的提高则影响有减弱趋势。
The background light influences phototaxis of round scad on the horizontal gradient condition, the influence weakens with the increasing light intensity.
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