摘要
Cloud seeding is a method of artificially causing clouds to produce precipitation (降水) in the form of rain or snow.Cloud seeding has also been used in attempts to modify the severity of hail slorms and hurricanes.The effectiveness of cloud seeding remains controversial,but it continues to be used in some regions to try lo
Cloud seeding is a method of artificially causing clouds to produce precipitation （降水） in the form of rain or snow.Cloud seeding has also been used in attempts to modify the severity of hail slorms and hurricanes.
