Let's start with the atomic unit of sales and marketing, the purchase.
让我们从销售和市场营销的基本单元——购买开始。
单词 | Atomic Unit |
释义 |
Atomic Unit
原声例句
金钱地球 Let's start with the atomic unit of sales and marketing, the purchase. 让我们从销售和市场营销的基本单元——购买开始。 金钱地球 Here at Summer School, we like to show you the atomic units of business, the smallest examples that offer the biggest lessons. 在暑期学校,我们想向您展示业务的原子单元,即提供最大教训的最小示例。
中文百科
原子质量单位 Atomic mass unit(重定向自Atomic Unit)
原子质量单位(amu或u)有时称统一原子质量单位或道尔顿(Dalton,Da,D),是用来衡量原子或分子质量的单位,它被定义为碳12原子质量的1/12。
英语百科
Atomic mass unit 原子质量单位(重定向自Atomic Unit)
![]() The unified atomic mass unit (symbol: u) or dalton (symbol: Da) is the standard unit that is used for indicating mass on an atomic or molecular scale (atomic mass). One unified atomic mass unit is approximately the mass of one nucleon (either a single proton or neutron) and is numerically equivalent to 1 g/mol. It is defined as one twelfth of the mass of an unbound neutral atom of carbon-12 in its nuclear and electronic ground state, and has a value of 539040(20)×10 kg. The CIPM has categorised it as a non-SI unit accepted for use with the SI, and whose value in SI units must be obtained experimentally. 1.660 |
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