The average mass of an atom of an element, usually expressed relative to the mass of carbon 2, which is assigned 2 atomic mass units.
一种元素中原子的平均重量，通常相对碳2的重量来表示，碳2的重量定为十二个原子量单位。
The average mass of an atom of an element, usually expressed relative to the mass of carbon 12, which is assigned 12 atomic mass units.
一种元素中原子的平均重量，通常相对碳12的重量来表示，碳12的重量定为十二个原子量单位。
In the first class, we reviewed last class 'content which were relative atomic mass and relative formula mass.
第一节课首先回顾了一下相对原子质量，相对分子质量的定义及计算方法。
The product of a solid element's relative atomic mass and its specific heat capacity is approximately 6.4.
元素相对原子质量与它的比热容的乘积，大约为6.4。
Abstract It was commented on significant figures of mole mass of Zinc Oxide and relative atomic weight in calibrating for EDTA standard volumetric solution in GB/T 601–2002.
标准滴定溶液的标定是其浓度的量值溯源，GB／T 601–2002［1］通过规定工作基准试剂摩尔质量的有效数字，减少因数字修约而引入的不确定度。
Abstract It was commented on significant figures of mole mass of Zinc Oxide and relative atomic weight in calibrating for EDTA standard volumetric solution in GB/T 601–2002.
标准滴定溶液的标定是其浓度的量值溯源，GB／T 601–2002［1］通过规定工作基准试剂摩尔质量的有效数字，减少因数字修约而引入的不确定度。
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