Warning: file_put_contents(/www/wwwroot/ppbbu/4cd.cn/cache/ea3b1a0ac38284bfaa84f84feca7d9c8.txt): failed to open stream: No space left on device in /www/wwwroot/ppbbu/4cd.cn/index.php on line 55
rad英英字典_rad剑桥英语解释_rad柯林斯英文解释_沉淀汉英词典
沉淀汉英词典

rad

R 开头单词词源字典

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)


    • rad

  • N

  • 1. SYMBOL for radian 弧度

    • 返回 rad

剑桥词典