纽约的城市绿化已经落后于其他城市了。
绿色屋面是城市绿化的重要组成部分。
Green roofs are an important part of an urban afforestation.
草坪，城市绿化的最佳途径？
为了使我们城市绿化起来，我们应该多栽树。
管理在城市绿化树木的种植中占有重要地位。
Management has an important position in gardening trees planting.
第一个是城市绿化。
总之，我们应该尽一切努力增加了我们的城市绿化。
In a word, we should do everything to add to the greenization of our cities.
预留了城市交通、城市绿化及其它性质的城市用地。
Set aside urban transportation, urban greening and other cities in the nature of the land.
城市土壤是影响城市绿化植物生长的重要环境因子。
Soil is one important factor influencing the growth of plant species in the urban.
科学规划和大力发展城市绿化建设可以产生“绿岛效应”。
Scientific plan and development of urban afforestation can create "green island effect".
屋顶花园是城市绿化建设中新兴的、最有潜力的绿化方式之一。
Roof garden is one of the newest and most potential green methods in the city.
三是在城市绿化管理上的采用以乡土植物为主、外来种为辅的原则。
The third is to mainly select local species for cities re-forestation.
尤其是西北地区的部分城市绿化覆盖率不足5 % ，城市环境容量非常有限。
Especially in the north-west of China, many cities have proportion of green areas less than 5%.
尤其是西北地区的部分城市绿化覆盖率不足5 % ，城市环境容量非常有限。
Especially in the north-west of China, many cities have proportion of green areas less than 5%.
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