Explain the meaning of SI base units and SI derived units

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Explain the meaning of SI base units and SI derived units
用英文回答

SI导出单位是由SI基本单位按定义式导出的,其数量很多,在这里列出其中三类：用SI基本单位表示的一部分SI导出单位；具有专门名称的SI导出单位；用SI辅助单位表示的一部分SI导出单位.其中,具有专门名称的SI导出单位总共有19个.有17个是以杰出科学家的名字命名的,如牛顿、帕斯卡、焦耳等,以纪念他们在本学科领域里作出的贡献.同时,为了表示方便,这些导出单位还可以与其他单位组合表示另一些更为复杂的导出单位.国际单位制是计量学研究的基础和核心.特别是七个基本单位的复现、保存和量值传递是计量学最根本的研究课题.SI derived unit is the basic unit SI derived by the definition of style,many of their number,three of which are listed here:The basic unit of that part of the SI derived units SI; with special names,SI derived units; use SI units,said auxiliary part of the SI derived unit.Among them,the SI with special names to export a total of 19 units.17 is named after outstanding scientists,such as Newton,Pascal,Joule,to mark the subject field in the contribution.Meanwhile,in order that convenience,these units can also be derived combination with other units in that other more complex derived unit.International System of Units is the basis for quantitative study and the core.Especially the reappearance of the seven basic units,storage and value transfer is the most fundamental metrology research topic.

英语翻译a second class of SI units comprises the derived units,m What is the SI units for temperature,amount of substance and 英语翻译A secound class of SI units comprises the deriver units, 英语翻译The greater advantage of SI units is that there is one,a units 英语翻译/units,si/prep7et,1,solid70mptemp,1,0,100,300,500,700,90 units which ensures the condition of seat belt and the drive 英语翻译A.The outer wing consists of the structural units and as 微积分the cost of producing x units of a commodity the value of the units digit in 6^47 Express the following with appropriate units and significant 英语翻译Consists of units in the production process that require