The best ground-based sites have a wind-power density of about a kilometer per square meter of area swept.
最棒的地面站风能密度约为一公里/平方米扫风面积。
And snow pressures on the ground and the coverings of greenhouses are calculated by mean density of snow in an area and new density of snow respectively.
并且为了提供更多的数据参考，本文采用各地区平均积雪密度和新雪密度分别计算出地面雪压和屋面雪压。
To bring a new medium density development out of the ground today costs 25% to 30% more than the market will pay.
为了实现一个新的中密度开发出地面今天成本25 ％至30 ％以上的市场将支付。
In this paper, a formula of ground settlement around deep excavation is proposed based on the normal distribution of density function.
本文提出了按正态分布密度函数计算深基坑开挖引起的地表沉降值的公式。
Using rate equation theory, the equation group including the population inversion density of the gain medium, photon density and the absorber ground state population density is acquired.
利用速率方程理论，得到包含激光增益介质反转密度、光子密度和饱和吸收介质基态布居数密度的速率方程组。
Both yields of ground wood timber and chemical pulp timber increase with increase of site index and planting density.
磨木浆材和化学浆材产量随立地指数和密度的增大而增加。
The results were testified and compared with the ground truth of mouse density. The study provides a scientific basis for monitoring, prevention and combating of mouse disaster.
与实地害鼠密度的变化验证比较，为鼠害防治管理和动态监测提供科学依据。
The terrestrial ionospheric plasma can be heated by a powerful ground-based high-frequency radio wave, which results in the disturbance of the electron temperature and density.
地面入射的大功率无线电波能加热电离层等离子体，引起电离层电子温度和密度的扰动，实现电离层的地面人工变态。
The spacitial distributions of lightning acativities were shown in Google Earth (GE). Meanwhile, the relationship between lightning day and ground lightning density had been investigated.
总结了雷电流幅值的累积概率分布，研究了雷暴日与地闪密度之间的关系。
It's electronic structure, including spectrum of the ground state valence levels, density of states, and the charge transfer between adsorbate and substrate, is obtained.
得到了它的电子结构，包括分子丛轨道能量本征值谱、态密度、电荷转移等等结果。
Ground cable core insulation used with anti-oxidant properties of K-B type low-density polyethylene.
电缆地线芯绝缘采用具有抗氧化性能的K型B类低密度聚乙烯。
The two kinds of deltas are controlled by river types, ground slope, water depth, water density differentia, river sedimentation and lake dispersion.
控制石炭二叠系两类三角洲发育的主要是河流类型、地形坡度、水体深浅、不同水体密度差及河流沉积作用和湖泊的分散作用等。
The power spectral density function of ground acceleration can be described as filtered white noise applied on each support point.
地面运动加速度功率谱模型为零均值的平稳高斯过程，描述为过滤白噪声施加于支撑各点。
This paper presents a new method by which the density of radon in ground water could be continuously and automatically measured on the basis of Gas-Water phase equilibrium principle of radon.
本文介绍了一种利用气—水相平衡原理实现连续、自动监测地下水氡浓度的新方法。
Density functional theory calculations were carried out to examine the structure and normal mode frequencies of the ground state of the complex and its electronic transition energies.
用密度泛函方法计算了复合物的基态结构、振动频率和电子跃迁能。
The basic idea of DFT is an ansatz, which assumes that any properties of many-body system can be determined by the ground state density.
密度泛函的基础是一个假定：假定一个多粒子体系的任何性质都是基态电子密度的函数。
It is shown that both the ground state correlations and the three-body force affect considerably the density and temperature dependence of the single nucleon potential.
研究表明，基态关联和三体核力对单核子势的密度和温度依赖性均有重要影响。
A cementing method of separable setting and variable density is used, with two level controls of safety valve on the ground and downhole;
采用双凝固井、变密度固井方式，均采用地面和地下两级安全阀控制；
We analyse statistics properties of ground clutters and study AR model of correlated clutters power spectral density.
分析了地杂波统计特性，研究了相关雷达杂波功率谱特性的AR模型及其模拟方法。
By using the method of density matrix renormalization group, the ground state entanglement in different systems is studied.
通过密度矩阵重整化群的方法，我们研究了不同系统中的基态纠缠。
The effect of the rise of ground water level was simulated by increasing the mass density of pore water in the soil elements between the initial and targeted ground water levels.
通过逐步改变初始和终止地下水位间土单元中孔隙水的密度模拟地下水位上升的效应。
A general connection between the reduced fidelity susceptibility and quantum phase transitions is given in terms of the relation between reduced density matrix and ground-state energy.
根据约化密度矩阵与基态能量之间的关系，我们给出了约化保真率和量子相变之间的一般关系。
The density of flammable gas, components and variety of heat value are very different from the gasification on the ground gasification furnace;
可燃气体的浓度、组分及热值变动较之地面气化炉气化差别较大；
Then, the power spectral density (PSD) of the acceleration at ground level is evaluated by an iterative approach according to the principle of equivalent peak acceleration.
然后，根据加速度峰值等效原则，选代计算得到地面的加速度功率谱密度曲线；
The difficulty in pipe-detecting is the non-metallic pipe When the use of ground penetrating radar can not achieve good results, we can use another high-tech-high-density resistivity.
管线探测的难点是在非金属管线，当采用地质雷达方法无法取得良好的成果时，可以采用高密度电阻率法这一高新技术。
The spraying coverage and droplets density would not change at the height of 0.4 ~ 0.8m on the ground.
棚室内距地面高度0.4 ~ 0.8m范围内，雾滴的覆盖率和沉积密度基本不随高度变化。
The spraying coverage and droplets density would not change at the height of 0.4 ~ 0.8m on the ground.
棚室内距地面高度0.4 ~ 0.8m范围内，雾滴的覆盖率和沉积密度基本不随高度变化。
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