A unit used to describe the strength of an incoming signal of ELECTROMAGNETIC RADIATION.
描述入射电磁辐射信号强度的单位。
Welcome each enterprise, unit and individual incoming telegram to negotiate business!
迎接各企业、单位和个人来电话卡脖子营业！
Welcome each enterprise, unit and individual incoming telegram to negotiate business!
迎接各企业、单位和个人来电话卡脖子营业！
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