sweep second

  • n. 长秒针(有长秒针的钟表)
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sweep second的英文翻译是什么意思,词典释义与在线翻译:

英英释义

名词 sweep-second:
  1. a second hand that is mounted on the same center as the hour and minute hand and is read on the minutes

sweep second的相关资料:

临近单词

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