您要查找的是不是：
- 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”
- 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。
- 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。
- 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。
- 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
- The amount or degree of strength of electricity,light,heat,or sound per unit area or volume. 强度程度单位电、光、热或声的强度的量或程度。
- Increasing the yield per unit area on the existing cultivated land has potential. 提高现有耕地单位面积产量有潜力。
- There is potential for increasing the yield per unit area on the existing cultivated land. 提高现有耕地单位面积产量有潜力。
- Test method for gravimetric determination of mass per unit area of galvanized coatings steel products. 本标准规定了钢产品单位面积上镀锌层质量试验方法的原理、试验溶液、试样、试验步骤、结果计算、再现性及试验报告。
- The total dislocation length per unit volume of material; alternately, the number of dislocations that intersect a unit area of a random surface section. 材料单位体积内的位错线的总长度，或者在一个随机切面上的单位面积内切断的位错根数。
- Stocking rate [livestock] The relative number of livestock per unit area for a specific time. 牲畜存有率[牲畜]在特定时间每一单位区域内牲畜的相对数量。
- The bearing capacity of a soil means the maximum load per unit area (usually in terms of KN/M2) which the ground will safely support. 土体的承载力即是单位面积上地基所能安全承受的最大荷载(通常以KN/M2为单位)。
- The brightness or luminance of an object is defined as the luminous flux emitted per unit area of the object into unit solid angle. 物体的亮度或发光率定义为物体面积发射到单位立体角内的光通量。
