“flux concentration ratio”的概念、定义、翻译、参考文献-科学参考

单词	flux concentration ratio
释义	flux concentration ratio Encyclopedia 工学太阳能释 flux concentration ratio光学聚光比会聚到吸热器采光口接收面的平均辐射功率密度与太阳法向直射辐照度之比。记为。
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