They call the world's largest programme of artificial rainmaking.
他们致力于研究所谓的世界上最大的人工降雨工程.
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The artificial rainmaking ( cloud seeding ) doesn't help much.
人造雨 ( 种散播 ) 发挥什麽多大的作用.
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Rainmaking has finally been accepted as a fact by formerly doubtful scientists everywhere.
人工造雨终于成为事实,为先前持怀疑态度的科学家们所普遍接受了.
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