SAR Specific Absorption Rate
比吸收率，单位时间内单位质量的物质吸收的电磁辐射能量
The specific heat of a material is the amount of heat that must be added to a unit mass of the material to raise its temperature by 1 degree.
物质的比热容是使单位质量的物质温度升高1度所须加给的热量。
a unit of measurement for mass.
用于测量质量的单位。
metric-technical unit of mass
质量的米制技术单位
unit magnetic mass in the electromagnetic system
电磁制中的单位磁质量
The units used to measure time, space and mass are called fundamental units .
用来测量时间、空间和质量的单位叫做基本单位。
The mass of one unit of volume of a material is called its density.
物质单位体积的质量称之为密度。
air quality-general aspects(units of measurement)
空气质量-常用部分（测量单位）
(economics) the ratio of the quantity and quality of units produced to the labor per unit of time.
单位时间内劳动产品质量与数量比。
"Four TrustaBle Unit"as to price, measurement, service and quality
物价、计量、服务、质量“四信单位”
The units painted on the dial of a scale are often mass units, not force units.
秤的刻度盘上所标单位是质量的单位，而不是力的单位。
Textiles--Woven fabrics--Determination of mass per unit length and mass per unit area
GB/T4669-1995机织物单位长度质量和单位面积质量的测定
A unit of mass equal to one thousandth(10-3) of a gram.
毫克质量单位，等于千分之一（10－3）克
The units of temperature, pressure, and amount of substance cancelled out.
温度、压力和物质的量的单位相消。
unit of mass for expressing masses of atoms or molecules.
用于表达原子或分子质量的单位。
a measure of a material's ability to conduct an electrical charge.
测量物质导电能力的单位。
Kilogram is the base unit of mass in the International System.
公斤是千克公制中质量的基本单位。
textile-test method for nonwovens-determination of mass per unit area
非织造布单位面积质量的测定