In 2002-04, Beijing introduced a variety of foreign plants with a view to 'greening' the games.
2002年至2004年，北京为建设绿色奥运，引进大量不同品种的外国物种。
Clothing roofs with greenery, which is beneficial to environment, is one of the newest and most potential greening methods in Beijing.
屋顶绿化作为地面绿化的有益补充，逐渐成为北京城市绿化建设中具有潜力的绿化方式之一。
Combining with the current situation of roofs with greenery in Beijing, the roof greening technologies are introduced and the prospect of roof greenery is discussed in this paper.
结合北京屋顶绿化的现状，介绍屋顶绿化相关技术，并对屋顶绿化的未来前景做了展望。
The results of statistical analysis of related data showed that indigenous plants applied in urban greening were not abundant in urban built-up area of Beijing at present.
通过对相关指标进行统计分析，结果表明，目前北京城市建成区园林绿化中应用的乡土植物种类还不够丰富。
The results of statistical analysis of related data showed that indigenous plants applied in urban greening were not abundant in urban built-up area of Beijing at present.
通过对相关指标进行统计分析，结果表明，目前北京城市建成区园林绿化中应用的乡土植物种类还不够丰富。
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