密度: 1.(密集的程度) density; thickness 短语和例子火力密度 density of fire; 兵力密度 density of troops; 那个国家的人口密度为每平方英里685人。 the population density of that country is 685 per square mile.2.[物理学] (物体的质量和其体积的比值) de
Example Sentences:
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Phase change material ( pcm ) can charge or discharge high latent heat while its temperature keeps unchanged during phase change 相变蓄能具有温度变化小、蓄热密度大的特点。
