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- 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。
- unit area acoustic impedance 单位面积声阻抗,声阻抗率
- 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?
- 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。
- Based on the theory concerning the nonlinear acoustic resistance of an orifice presented by Zhao Song-ling et al. 本文基于赵松龄等发展的小孔非线性声阻理论,导得对于驻波管中垂直入射以及行波管中旁支入射二种情况下的穿孔声学结构的非线性声阻率比表示式。
- In our opinion, the hardness of covalent crystals is intrinsic and equivalent to the sum of resistance of each bond per unit area to indenter. 大多数功能材料是多元晶体,因而发展复杂晶体硬度的计算方法具有重要意义。
- Ways of Improving Crop Yield Per Unit Area and the Countermeasures. 提高作物单产的途径与对策。
- Opposition to the flow of sound through a surface,acoustic resistance is the real component of acoustic impedance and acoustic reactance is the imaginary component. 声音在通过一个表面时受到的阻力,声阻是声阻抗的实部,声抗是声阻抗的虚部。
- 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”
- It was experimentally proved for the first time that the maximum acoustic power output can be transferred to the load when the acoustic resistance of RC load equals to its acoustic capacitance impedance. 首次通过实验验证了当声阻与容抗相等时,热声发动机向阻容负载传递的声功率最大。
- 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。
- 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 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