人造雨 meaning in English

artificial rainfall
artificial raining
man-made rain

The artificial rainmaking ( cloud seeding ) doesn ' t help much
人造雨（云种散播）没发挥什麽多大的作用。
On 31 may 1963 , the hong kong government mobilised two planes of the auxiliary air force to fill the sky with large amounts of dry ice , 7 , 000 ft . above the western part of cheung chau . this lasted for 30 minutes with the intention of creating artificial rain . unfortunately , this attempt was unsuccessful
另一种开源的方法，是制造天雨， 1963年5月31日，港府曾动用两架辅助空军奥士达式飞机于长洲以西7千尺上空，散布乾冰，希望制造人造雨，可惜试验失败。
Because a hurricane draws much of its energy from heat released when water vapor over the ocean condenses into clouds and rain , the first researchers to dream of taming these unruly giants focused on trying to alter the condensation process using cloud - seeding techniques ? then the only practical way to try to affect weather
由于飓风大部份的能量，来自海面上水气凝结成云雨时释放的潜热，因此希望驯服这个顽强巨人的先驱研究人员，便专注于利用人造雨技术来改变凝结的过程，这也是当时要影响天气现象唯一可行的方法。