英语词汇solar constant怎么读，是什么意思，单词翻译、读音、固定搭配用法和短语词组及例句-英汉双解词典

单词	solar constant
释义	solar constantn.（名词） The average density of solar radiation measured outside Earth's atmosphere and at Earth's mean distance from the sun, equal to 0.140 watt per square centimeter.太阳常数：在地球大气层以外，从地球到太阳的平均距离上测得的太阳辐射的平均强度，相当于每平方厘米0.140瓦特
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