The research team used a model to watch changes among street trees for several planting and management methods.

研究团队使用一个模型来观察几种种植和管理方式下的行道树变化。

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She told the Wall Street Journal that she could use such technology to follow her young child on the way to school by planting an electronic bug in her lunch box or backpack.

她告诉《华尔街日报》，利用这种技术，在小孩子的午餐饭盒或背包上植入一个电子小虫，她就可以一路跟踪孩子到学校。

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So the boy's father walked up the street to the house where the lady lived and found her out in the yard calmly planting petunias.

那么，男孩子的父亲走到街那边，走到那个女士住的房子处，发现她在外面院子里平静地种着牵牛花。

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Are large street trees being reduced to small street trees, via use of cultivars, in current planting projects?

UNESCO: Do street trees have a future