artificial rain

基本解释

The plane is able to carry out tasks like making artificial rain.
这架飞机可以执行人工降雨等任务。
This article obtains from the runoff energy, in the room in the artificial rain experiment foundation, analyzed the slope tillage measure to the runoff energy reduction function.
在室内人工降雨试验基础上，分析了坡面耕作措施的蓄水保土效益。
Give a suggestion that some factors of urban road pollution must be considered and the artificial rain system may be combined in arterial roads planting.
提出了干道绿化应充分考虑影响干道污染的因素，并与人工雨系统结合的建议。

Since rising air causes clouds to form (the risen air eventually cools to the temperature of its elevated surroundings, and any water vapour it contains thus condenses), the result would be more rain than would fall in the absence of the artificial aerosols.
ECONOMIST: Saturday-night showers