奇葩剧汉英词典

rad

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柯林斯词典

    rad /ræd/

  • 1. N a former unit of absorbed ionizing radiation dose equivalent to an energy absorption per unit mass of 0.01 joule per kilogram of irradiated material. 1 rad is equivalent to 0.01 gray 拉德(吸收輻射劑量單位)


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  • N

  • 1. SYMBOL for radian 弧度

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