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单词	signal noise ratio
释义	signal noise ratio noun : the ratio of radio field intensity to noise field intensity also : the ratio of the signal transmitted through a piece of radio equipment to the noise generated within the equipment itself Word History First Known Use 1923, in the meaning defined above
随便看	slacked slacked (off) slacked off slacken slackened slackener slackening slackenings slackens slacker slackerism slackers slackest slacking slacking (off) slacking off slacklier slackliest slackline slackly slackness slacknesses slacks slacks (off) slacks off

英语词典包含469781条英英释义在线翻译词条，基本涵盖了全部常用单词的英英翻译及用法，是英语学习的有利工具。