近几年来，随着经济的高速发展，在城市环境方面逐渐暴露出不少问题：一是，高楼林立，人口密集，绿化面积小；二是，空气中的氧气成份少于效区，而污染相当严重；三是，城市热效应及建筑材料的反光，直接影响市民的生活环境和视力健康。加快绿化建设正是解决这些问题的有... In recent years, with the rapid economic development, many problems have gradually emerged in the urban environment. First, there are many high-rise buildings, densely populated areas and small green areas. Second, the oxygen content in the air is less than the effective area and pollution Very serious; Third, the city’s thermal effects and building materials reflective, a direct impact on people’s living environment and visual health. Accelerate the greening construction is to solve these problems ...