英语词汇photoelectric threshold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	photoelectric threshold
释义	photoelectric threshold 【电子】光电阈(指光量子能量恰好足以产生光电发射的极限频率)
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英汉双解词典包含548777条英汉词条，基本涵盖了全部常用单词的翻译及用法，是英语学习的有利工具。