cloud layer中文什么意思

发音:   用"cloud layer"造句
云层
  • cloud:    n. 1.云。 2.云状尘埃、烟(等 ...
  • layer:    n. 1.放置者,铺设者,计划者。 ...
  • layer cloud:    层状云
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例句与用法

  1. Darkness was coming early because of the cloud layer that still blanketed the sky .
    由于空中仍然垂着沉甸甸的乌云,天黑得较早。
  2. Another exceptional case, considered below is when the explosion occurs below a cloud layer .
    下面将提到另一个例外,即爆炸发生在云层下面时的情况。
  3. Scattered cloud at 1000 ft ; overcast cloud layer at 2000ft
    1000尺有零散云层2000尺有阴暗云层
  4. Main conclusions drawn from the analyses of calculating results are as follows : ( 1 ) the microwave absorption of atmosphere gas have obvious attenuation at the wavelengths for cloud detection , thereinto , the water attenuation effect changes greatly , so the 94ghz cloud detecting radar should have water vapor attenuation correction scheme . ( 2 ) when 37ghz and 94ghz radars detect clouds , the difference between the atmosphere and cloud attenuation and the large variety of radar reflectivity conduce the intension of the radar backscatter signals change . ( 3 ) for the thin cloud layer and low water content of cloud , 37 - ghz radar backscatter signals are not as good as 94 - ghz radar , that is to say that the 94ghz radar has better capability in thin clouds detection
    本工作得出如下结论: ( 1 )大气气体的微波吸收在测云波段产生明显的衰减,其中水汽衰减效应变化很大;即将上天的空间94ghz测云雷达必须有水汽衰减订正方案; ( 2 ) 37ghz和94ghz雷达测云,由于大气和云衰减不同和雷达反射率的很大差异,导致雷达回波信号强弱不同; ( 3 )对云层较薄、含水量较少的云,在不计雷达参数的情况下, 37ghz雷达回波信号不如94ghz测云雷达,也就是说94ghz对薄云有更强的探测能力;对云层较厚、含水量大的云,由于强衰减的作用, 94ghz雷达回波信号小于37ghz雷达; ( 4 )从大气衰减的不利因素方面考虑,空间94ghz雷达测高层薄云的效果最好;测低层薄云时需要考虑气体衰减订正;因浓厚云的强衰减作用,探测其中下部的能力大大减弱,不仅要进行衰减订正,而且要借助其他信息来反演整个云层的含水量垂直分布; ( 5 )为了获得从极薄到极浓厚云的垂直分布探测能力,未来测云雷达系统最好采用双波长甚至三波长(如94 、 37和13ghz ) 。

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