cumulonimbus

noun

1. 积雨云（常伴有雷阵雨）
   a high mass of thick cloud with a flat base, often seen during thunderstorms

1. The decay of a single cell cumulonimbus cloud is rapid and seldom exists for more than half an hour.
   积雨云云消逝飞快，它的存在几乎不会超过半小时。
2. A cumulonimbus cloud rises high into the sky and usually produces storms.
   积雨云上升到空中，通常会带来暴风雨。
3. Thunder is the result of great heat Bursting forth from the cumulonimBus.
   雷是积雨云进发出来的巨大的热能形成的。
4. A series of numerical experiments have been done to test the seeding effect of artificial icecristals or raindrop embryos using a one-dimentional time dependent cumulonimbus cloud model.
   本文用一维时变积雨云模式对一块积雨云进行了播撒人工冰晶或水滴的多种数值试验，得到了增加降水或减轻冰雹灾害等效果。
5. That's what is technically cumulonimbus.
   这云的学名是积雨云。
6. Rorschach Clouds observes the meteorological phenomena described as'Surface observation of a single cell cumulonimbus '.
   《罗夏云群》观察了一种被形容为“一片积雨云的浅表观察”的气候现象。
7. The sunset scene shows a classic cumulonimbus cloud formation.
   夕阳现场显示，一个典型的积雨云云层的形成。
8. Did you know that a cumulonimbus
   你知道积雨云吗
9. A Numerical Simulation on Natural Precipitation Process and Cloud Seeding in Cumulonimbus Clouds with Warm Cloud Base
   暖底积云自然降水过程和人工催化个例数值模拟
10. The classification results can be used to correctly identify land, water, low cloud, middle cloud, cirrus, convective cloud and cumulonimbus, and the segmentation and discrimination results are consistent with the objective facts.
    基于该判据的分类结果，可较为准确地分辨出陆地、水体、低云、中云、卷云、对流云和积雨云，分割判别结果符合客观实际。
11. Numerical study on Mechanism of artificial modification of cumulonimbus clouds
    人工影响积雨云机制的数值研究
12. A numerical experiment of cloud seeding in cumulonimbus
    人工催化暖云底积雨云的个例数值试验
13. Combined the fractal dimension with the 2 order statistical features of Gray Gradient Co occurence Matrix ( GGCM) of 4 kinds of basic clouds pictures ( Cirrus, Cumulus, Cumulonimbus and Layer Cloud), the clouds are classified and recognized.
    将4种基本云类（卷云、积雨云、积云和层云）的分数维和灰度梯度共生矩阵（GGCM）的二次统计特征结合起来，对云类进行分类与识别。
14. We think that the inductive and non-inductive charging processes are primary physical processes for electric structure of the cumulonimbus.
    作者认为后三个过程是形成积云电结构的主要物理因子。
15. Numerical simulation of microprocesses in cumulonimbus cloud(ⅱ) case studies of shower, hail and heavy rain
    积雨云中微物理过程的数值模拟&（二）阵雨、冰雹、暴雨的个例研究
16. Cumulonimbus is abundant of water, but calculation shows that its precipitable water is less than 3 mm;
    积雨云含水分丰富，但是计算显示它持有的水分也少于3mm。
17. Vertical wind shear made the mean flow kinetic energy into eddy kinetic energy, stimulating the generation of gravity waves. When gravity waves passed through developmental cumulonimbus, increasing the ascent speed in the cloud, making the instability released, thereby produced precipitation.
    垂直风切变使得平均气流动能转化为扰动动能，激发了重力波的产生，重力波通过发展的积雨云时，加大云内的上升速度，使得不稳定能量得到释放，从而产生降水。
18. Secondly, the research data, which use the cloud classification productions of National Satellite Meteorological Center as types 'labels, are divided into Land, Mixed cloud, Altostratus or Nimbostratus, Cirrostratus, Cirrus Spissatus, Cumulonimbus and Stratocumulus or Altocumulus.
    第二，每个数据的类别标签参考国家卫星气象中心的云分类产品结果，将实验数据划分为地表、混合像元、高层云或雨层云、卷层云、密卷云、积雨云以及层积云或高积云7类。

noun

1. a dark cloud of great vertical extent charged with electricity

   Synonym:    cumulonimbus cloudthundercloud