您要查找的是不是：
- The luminous intensity on unit area. 单位面积上的发光强度。
- Pressure is force per unit area. 压力就是电单位面积上的力。
- The drag is a force per unit area of the layer. 拖力是流层单位面积的力。
- The intensity of light per unit area of its source. 亮度每单位发光区的光的强度。
- Large capacity per unit area, high screening efficiency. 单位面积产量大，筛分效率高。
- Ways of Improving Crop Yield Per Unit Area and the Countermeasures. 提高作物单产的途径与对策。
- Hole Density: The number of holes per unit area on a PCB. 上单位面积上的孔数。
- Population density (people per unit area) is an example. 比如人口密度就是指单位面积的人口数量。
- Replace the words “areic mass” with “mass per unit area”. 用“每一单位面积的质量”代替“整块面积的质量”
- The wing of unit area by how much the lift, average resistance? 飞机机翼单位面积平均受多大升力，多大阻力？
- Check the running and operation of power distribution unit, determent peccancy operation / using, ensure the normal running of power supply system. 负责检查各配电设备的运行和使用,制止违章操作使用,确保各配电设备的正常运行。
- Check the running and operation of power distribution unit， determent peccancy operation / using，ensure the normal running of power supply system. 负责检查各配电设备的运行和使用，制止违章操作使用，确保各配电设备的正常运行。
- Hotter objects also radiate more energy per unit area than cooler objects. 较高温的物体每单位面积所辐射的能量亦较多。
- City of existing publications distribution unit 519, of which the wholesale unit of 16 publications, publications, retail unit 503. 我市现有出版物发行单位519家，其中出版物批发单位16家，出版物零售单位503家。
- The per unit area yield of ginned cotton has increased by 10% over last year. 皮棉的单位面积产量比去年增加了10%25。
- The results showed that the spatial patterns of the larvas of the pest in tobacco bed and field were aggregative, and the distribution unit of the pest was an aggregated colony. 结果表明 ,该幼虫在烟草苗床和大田中均属聚集性分布 ,分布的基本成分为个体群 ;
- There are two main components that contribute to livestock output per unit area under grazing conditions. 在放牧条件下，决定单位面积的牲畜产量，有两个主要因素。
- Used for sampling the roundness sample of all kinds of fabric to test whose weight of unit area. 用于各种织物的圆形取样，供测定织物单位面积质量。
- The steam passes through the supply piping to heat distribution units (radiators) where it condenses and gives off heat. 蒸汽通过供应管道流向热分配装置（散热器），在那里冷凝并散发出热量。
- The luminous flux per unit area at any point on a surface exposed to incident light. 照度受光照射的表面上任一点单位面积上的通光量
