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以上来源于: WordNet
Cloud-seeding is a technique to enhance rainfall by introducing particles - often silver iodide crystals - into cloud systems, to help condense water vapor into raindrops.
云的催化是指将催化剂颗粒打入云中使云中的水蒸汽凝聚成水滴，从而实现降雨的技术，催化剂颗粒通常为碘化银。
Apparently the effects of jet planes punching through clouds are similar to "cloud seeding" operations, where ice crystals are created in the atmosphere to make it rain.
显然，飞机穿过云层与“云种散播效应”类似，在空中形成的冰晶会导致降雨。
Regardless of the Moscow authorities' final decision on snow cloud seeding, Russia remains one of the few nations where weather control is more than using anti-hail cannons and battling droughts.
无论莫斯科当局是否就干预下雪云层做出最后的决定，俄罗斯仍然是为数不多的国家之一，他们对付冰雹和干旱使用的手段远远不止加农炮。
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