英语翻译

题目

英语翻译
a second class of SI units comprises the derived units,many of which have special names.Table
1-4 is a list of those we shall find most useful in our work in this book.The radia(symbol rad)is a supplemental unit in SI for a plane angle.Aseries of names and symbol to form multiples and submultiples of SI units has been established to provide an alternative to the writing of powers of 10.Table A-1 includes these prefixes and symbols.

答案

第二个类的SI单位由派生的单位,其中有许多特殊names.Table
1 - 4是一个列表的我们将在本书中我们的工作找到最有用的.拉迪亚(rad)象征是一个补充在SI单位平面角度.一系列的名称和符号形式倍数和因数的SI单位建立了提供一个替代的10.表a - 1包括这些前缀和符号.