您要查找的是不是：
- Whether the metal grid supporting the acoustic units is concealed or exposed and numerous other conditions. 支承隔音材料的金属格棚是采用隐蔽式还是裸露式以及其他许多别的问题。
- any acoustic unit of measurement. 任何测量声音的单位。
- The luminous intensity on unit area. 单位面积上的发光强度。
- The family is the smallest social unit. 家庭是社会最小的单位。
- THE ACOUSTIC UNIT DESIGN OF POLISHING MACHINE MODEL DFM-I AND THE STUDY OF COMPOUND FILING PROCESS DFM-1抛光机声学部件设计及复合锉削工艺探讨
- Opened the show with an acoustic set. 不用电子乐器开始演出
- Pressure is force per unit area. 压力就是电单位面积上的力。
- A set of data elements which are handled as a unit. 作为一个单元来处理的一组数据元素。
- The family is the basic unit of society. 家庭是社会的基本单位。
- A metric unit of area equal to 10 ares. 十公亩面积的公制单位之一，等于十公亩。
- A metric unit of mass equal to 100 grams. 百克公制质量单位，等于100克。
- A unit of power equal to 1,000 watts. 千瓦功率的单位，等于1,000瓦。
- A unit of frequency equal to one cycle per second. 赫兹频率的单位，等于每秒一周
- A unit of currency in Chile, Panama, and Uruguay. 分智利、巴拿马和乌拉圭的货币单位
- A metrical unit consisting of seven feet. 七韵步由七个音步组成的格律单位
- A unit of currency in North Korea and South Korea. 朝鲜和韩国的一种货币单位
- A squad is the smallest unit in an army. 班是军队的最小构成单位。
- The monetary unit of Great Britain is the pound. 英国的货币单位是镑。
- I'm thinking of buying a hi-fi unit. 我正在考虑买一套高保真音响设备。
- You must have an acoustic problem. 你的听觉一定有问题。
