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。
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。
this was the second precipitation since last winter following a drizzle initiated by artificial rain last thursday, but the rain was not enough to end the lingering drought.
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.