tie_ma
幼苗
共回答了16个问题采纳率:81.3% 举报
City green space generated by the ecological benefits not only with people's daily production, closely related the life, but also to meet the people to travel, vacation and other spiritual needs, in enhancing the city 's sustainable development ability has an irreplaceable role, so the city green space ecological benefit investigation and analysis appears particularly important.
The experiment on the ecological benefit of choice of temperature and humidity, negative ion content and leaf area measurement and research:
Foliar dust comparative study, choose the trees and shrubs were investigated, the results showed the average dust leaf shrub > tree
1年前
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martin2046
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