“Hefner candle”的概念、定义、翻译、参考文献-科学参考

单词	Hefner candle
释义	Hefner candle [`hef·nǝr ¦kand·ǝl] ^OPTICS A luminous intensity standard, formerly used in Germany, equal to 0.9 international candle; produced by a Hefner lamp burning under standard conditions. Abbreviated HK. Also known as Hefnerkerze.
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