地面高度

Objective: To investigate the effect of shoe heel height on the ground reaction force and the center of sole force.

目的：通过研究女性行走时地面反力和鞋底压力中心，探讨鞋跟高度对地面反力和鞋底压力中心的影响。

When the subjects wore shoes with different heel height and walked in different speed the ground reaction force and the track of the center of sole force were measured and analyzed quantitatively.

测量穿不同类型和不同鞋跟高度的受试者，在不同行走速度下地面反力的大小和鞋底压力中心，分析地面反力变化和鞋底压力中心轨迹。

The major results indicate that the new method of surface wind observation operator has positive impact on forecast with GRAPES model.

将此新方案与目前GRAPES系统使用的三次样条插值的地面同化方案进行高度场预报试验、统计试验以及降水预报的TS评分比较，结果表明，加入新方案地面风场资料同化后，预报效果和对降水的预报能力都比旧方案有所提高。

Finally, applying the current basis function of three-term sinusoidal expansion, the radiation characteristic and input impedance of the vertical and horizontal antennas above lossy ground are analyzed by the method of moments with the variation of frequency, height from the ground and ground parameters.

最后，用矩量法，采用正弦插值基函数，研究地面上方垂直、水平线天线的辐射特性和输入阻抗随着频率、离地高度、地面参数等变化的情况。

In this paper, we design a new surface pressure operator by pressure extrapolation scheme of static equilibrium and the linearity relation between the temperature and pressure.

本文重点研究了利用GRAPES模式变量计算实际台站高度上的气压的计算方案，对低于模式面最底层的地面观测点，设计了一种新的地面气压观测算子。

The author seeks after an effective way to retrieve aerosol optical depth for urban area with dense population and industrialization. Three-level remote sensing monitoring ""Satellite -airborne - surface"" was ideated with MODIS, OMIS and sun-photometer to retrieve urban aerosol optical depth. In the paper, the author compared three AOD retrieval methods and analyzed the applicability and limitation of each method, including ground-based remote sensing with sun-photometer.

本文针对人口密集、工业化程度高的城市区域范围，探索高光谱数据遥感反演气溶胶光学厚度的方法，应用中科院上海技术物理研究所自行研制的模块化成像光谱仪，结合MODIS卫星资料和地面太阳光度计监测，试图形成&星载—机载—地面&三个高度立体遥测，实现城市气溶胶光学厚度的反演，并进一步研究其环境效应。

It will decrease when the pointing angle increases,and vice versa.By giving a pixel size of 20 μm for a detector,an orbit altitude of 600 km and a beam deflexion angle low than 30° for the imaging spectrometer, the effective focal length of the telescope was calculated(400,470 or 435 mm),and the relation curves between the relative ratios of ground resolution and the beam deflexions were presented.

给定成像光谱仪探测器像元尺寸为20 μm，飞行轨道高度为600 km，光线摆角≤30°，以星下点、最大摆角和整个运动补偿段地面分辨率中值为30 m为依据来计算望远系统的焦距，求得望远系统焦距为400、470、435 mm，并给出了此时的地面分辨率相对比值与光线摆角的关系曲线。

Multivariable linear regression has been applied to analyze the recorded data of annual mean air temperature and annual mean ground temperature from 119 meteorological stations from 1991 to 2000 in the Tibetan Plateau.

应用多元线性回归分析方法，对位于40 ～25 N，75 ～102 E范围内的119个气象观测台站的1991-2000年平均气温和地面温度观测资料进行分析，获得了研究区域的月平均气温、地面温度与纬度、经度和海拔高度间关系的线性统计系数。

The application of the modified Rytov's method to the study of the optical-wave oblique propagation is discussed in this paper. The fluctuation index of the plane wave and the spherical wave is obtained.

将修正的Rytov方法推广应用于研究斜程传输问题，推导了平面波和球面波斜程传输时的闪烁指数，并根据ITU-R湍流大气结构模型，对平面波和球面波在不同传播高度、近地面风速、近地面大气结构常数、零内尺度以及非零内尺度下的闪烁指数进行了理论据导，做出了具体的数值分析。

Duration of inversion temperature near ground surface is longer, air temperature is lower, air humidity is higher and water surface evaporation of 20cm standard pan on the top of canopy is generally lower under sprinkler irrigation condition than those under surface irrigation condition.

喷灌跟地面灌溉相比，喷灌条件下近地面出现的逆温时间长，空气温度低，离地面1～4米高度范围内空气湿度大；冠层顶部20cm蒸发皿水面蒸发量小；喷灌条件下0～60cm土层内土壤含水量较高且变幅较小，白天地表温度低，晚上地表温度高。

Plunder melds and run with this jewel!

掠夺melds和运行与此宝石！

My dream is to be a crazy growing tree and extend at the edge between the city and the forest.

此刻，也许正是在通往天国的路上，我体验着这白色的晕旋。