The calculations of radiator surface area and heat insulation layer thickness are necessary for the design of passive thermal control system.

纳卫星的被动热控系统对卫星舱内的温度控制及其有效载荷的可靠工作具有重要意义。

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The enclosure structure of a passive solar house is not only a collector of solar energy but also a store and a radiator and it is a convenient and economical way of heart supply.

被动式太阳房的围护结构既是收集太阳能的集热器，又是蓄热器和散热器熏是一种方便、节约的采暖方式熏但是太阳房集热效率较低也给其推广造成了一定的负面影响。

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The long-throw 4-inch subwoofer and passive radiator are specifically designed for punchy bass reproduction.

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The dock features reinforced bass through a passive radiator and high power amplification for powerful full digital sound.

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The stereo unit is built around a two-way system featuring a soft dome tweeter and a powerful compact woofer loaded by a passive radiator, for each channel.

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