求解你说数学里 k是“kilo” (千克也指代数量)的缩写 1k=1000 m是“million (百万)的缩写 1m=1000k=1000000 你如果是说数据流量的话 1k=1024b, 1m=1024kb 牛顿米 (n·m)和牛顿/米 (n/m)虽然都是物理学中常见的单位,但它们代表的物理量和用途有所不同。 首先,牛顿米 (n·m)是力矩的单位,它是力和力臂的乘积,用于衡量物体旋转. 因为你没有弄清楚每一个符号代表什么意义。 m=m/na里的m是 单个原子质量; m=nm/na里的m是总质量,式子整体即总质量等于原子数目乘单个原子质量。 下一次可以先.
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