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大树引入城市是从上海的实际出发，快速发展上海绿化，改善上海城市生态环境，提高上海城市绿化质量的一条重要而有效的途径。文章介绍了上海实施大树引入城市的背景、对策和措施、苗木来源以及产生的效果，对大树引入城市应该引起注意的几个问题提出了意见各地必须因地制宜、量力而行。
The introduction of big trees into the city is an important and effective way to develop Shanghai greening, improve the urban ecological environment of Shanghai and improve the urban greening quality in Shanghai from the reality of Shanghai. This article introduces the background, countermeasures and measures, the source of seedlings and the effects of the introduction of large trees into cities in Shanghai, and puts forward opinions on several issues that should be taken into consideration when introducing large trees into the cities.