英语词汇“night visual range”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

单词	night visual range
释义	night visual range night visual range [′nīt ′vizh·ə·wəl ′rānj] (optics) The greatest distance at which a point source of light of a given candlepower can be perceived at night by an observer under given atmospheric conditions. Also known as nighttime visual range; penetration range; transmission range.
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