Some scientists are sure that the natural balance mustn’t be disturbed. It’s better not to use the cloud seeding technology until the remote consequences are assessed.
一些科学家确信，自然平衡不能被打乱，在能够评估人工降雨的结果之前不进行人工降雨会更好，破坏环境等于破坏人类的健康。
No fruit fragrant holiday dreams, no seeding, but there is a natural harvest.
没有果实芬芳的节日，梦，不需要播种，却有着天然的收获。
It is a useful practical technology for direct seeding in vegetation restoration, while method of natural succession can not be used.
直播造林在石质山地植被恢复中具有明显效果，自然演替恢复效果较差。
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