查询词典 earth wave

The fields radiated by these currents in the presence of curved earth are then calculated using the reciprocity theorem and the known ground wave propagation formula of a vertical electric dipole S.

在数值结果验证了该公式的正确性之后，对海面上一金属半球的散射场进行了求解，并以此与工程应用中的近似方法相对比，考察了工程应用方法的近似程度。

The active wave seimic prospecting is used to detect the waveform, spectra and wavespeed of the site earth conditions, while the natural seismism is motoring those of waveform and spectra only.

主动波震测法用於侦测现地之波形、频谱、地层波速之变化，天然微震则监测现地之波形、频谱之变化。

By sky or ground wave propagation, the detection range of the HF radars breaks through the limit of the curvature of the earth, which makes it possible for long-range air early-warning and target monitoring. At the same time the unique abilities in detecting low-detectable targets of the HF radars makes them powerful equipments for detection of hermit aircrafts, small airplanes in heavy land and sea clutters, and even intercontinental missiles.

借助于天波或地波传播方式，高频雷达的探测范围突破了地球曲率的限制，因此使远距离空中预警和目标监测成为可能，同时高频雷达所具有的独特和良好的对低可探测性目标的探测能力，使之成为探测隐形飞行器和处于强地杂波和海杂波背景中的小型军用飞机、巡航导弹等贴地、贴海飞行的小目标及洲际导弹进行有效探测的有力装备。

The results indicated that the earth's surface temperature and air temperature of the desert comparing the oasis of the variety range are higher and ascend and descend of the speed are quicker; As the ascend and descend changes of air relative humidity and temperature are different at each observation spot, the variety curve of the air pressure of daytime shows the single type of wave; At each observation spot the predominant direction of wind was mainly souther, still having the southeast or southwester at 12:00-18:00; Wind speed almost is 0 at 20:00; The clean radiation at the morning and the evening of desert are higher than in oasis, the clean radiation in oasis in the daytime is bigger than in desert.

结果表明，沙漠地表面温度和气温升降速度比绿洲观测点要快、变化幅度大；由于各观测点空气相对湿度和温度升降度不同，使得各观测点的气压升降幅度也不同，白天气压的变化曲线呈单蜂型；各观测点在12：00到18：00期间主导风向主要是南风，还有东南或西南风，在20：00时风速几乎为0；早上和晚上沙漠的净辐射高于绿洲，白天近地面净辐射绿洲大于沙漠；对绿洲气象要素时空效应特征分析，为棉花等绿洲优势作物的播种期、物候期、作物生育及生理生态特性具有一定的指导意义。

In other words,"much more energy is now present in the standing wave that the ...amount being fed in from the Earth's surface."

换句话说，大得多的能量现在出现在定波当中以至于。。。。。。来自地表的能量被纳入。

This is a secret in mom's washtub,no one but I know--The soap bubbles make the earth blooming in seven colors of sun,as they wave to and fro.

我知道这个秘密，它就藏在妈妈的洗衣盆里——当所有的肥皂泡闪着光亮，落呀落，太阳的七种颜色，就溶进了春天的大地！

"Each wave is a water sprite who swims in the current; each current is a path, winding toward my palace, and my palace is fluidly built, at the bottom of the lake, in the triangle formed by fire, earth, and air."

每一个波涛都是在浪中畅游的水仙；每一道水流都是蜿蜒通向我宫殿的幽径；我的宫殿建于湖底深处，造在火、土、气三元素之中，游移无定。

Optical design of a wide-angle lens for long-wave infrared earth sensors［J］.

长波红外广角地平仪镜头的光学设计［J］。

Based on 45-month NOAA satellite data of radiation, including the absorbed sun radiation, the albedo and outgoing long wave radiation, as well as the formula for the radiation budget, the features are revealed for the zonally and monthly averaged radiation budget in the earth-atmospheric system.

利用温斯顿编制的美国NOAA卫星第一批 45个月辐射观测资料分析图，包括吸收太阳辐射、反射率及射出长波辐射，而地—气系统辐射平衡是用公式计算的。

The sound wave come from the earth′s surface echoed from the interface of the common terrane and the oilness terrane, or the inteface of aquiferous terrane and the gassness terrane.

从地表产生的声波在普通岩层和含油岩层、含水岩层或含气岩层之间的界面上反射。

Finally, according to market conditions and market products this article paper analyzes the trends in the development of camera technology, and designs a color night vision camera.

最后根据市场情况和市面上产品的情况分析了摄像机技术的发展趋势，并设计了一款彩色夜视摄像机。

Only person height weeds and the fierce looks stone idles were there.

只有半人深的荒草和龇牙咧嘴的神像。