1.
Quantities and units of acoustics
GB3102.7-1993声学的量和单位
2.
It is characterized by a relatively high production per tree and per acre.
它的主要标志是单株产量和单位面积产量较高。
3.
Quantities and units of electricity and magnetism
GB3102.5-1993电学和磁学的量和单位
4.
Quantities and units of nuclear reactions and ionizing radiations
GB3102.10-1993核反应和电离辐射的量和单位
5.
Quantities and units of space and time
GB3102.1-1993空间和时间的量和单位
6.
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
7.
Quantities and units of periodic and related phenomena
GB3102.2-1993周期及其有关现象的量和单位
8.
Quantities and units of light and related electromagnetic radiations
GB3102.6-1993光及有关电磁辐射的量和单位
9.
Quantities and units of solid state physics
GB3102.13-1993固体物理学的量和单位
10.
quantities (units and symbols)
数量（单位和符号）
11.
units of measurement and conversion factors
计量单位和换算因子
12.
The unit of impulse, in any system, equals the product of the units of force and time in that system.
在任一单位制中，冲量的单位等于该单位制中力和时间单位的乘积。
13.
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。
14.
A measure of the disorder or randomness in a closed system.
随机计量单位在封闭体系中对无序和随机的计量单位
15.
U.S. Customary units and their metric equivalents.
美国传统单位和它们的米对应量
16.
Energy Measurement: Units and Conversion Factors
能源的计量：单位和换算因子
17.
ICRU (International Commission on Riation Units and Mea-surements)
国际辐射单位和计量委员会
18.
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。