Today it's a walk in the park—at least when it comes to efficiency and material weight.

现在，当提到效率和材料重量时，就会想到公园里的步行道。

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This article introduces artificial water system of Expo Park and its waterproofing material selection, detailing anti - seepage design and construction of bentonite carpet and points for attention.

介绍了世博公园人工水系的概况，对所用防渗材料进行了选择，详细阐述了膨润土防渗毯在本项目中的防渗设计、施工与注意事项。

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Children's park Angle activity is suitable for children to provide material, letting the children to group or individual form independent survey, exploration, operation of the form of activity.

幼儿园区角活动就是为儿童提供适宜的材料， 让儿童以小组或个人的形式自主进行观察、探索、操作的活动形式。

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Science, which appeals to both children and adults, seems to be good theme-park material.

ECONOMIST: Lottery projects

That material is now being transported to a park built on top of the former Fresh Kills landfill on Staten Island, where investigators will attempt to find any possible remains during the next 10 weeks, the city said.

WSJ: Possible human remains found in new 9/11 debris

That material is now being transported to a park built on top of the former Fresh Kills landfill on Staten Island, where investigators will attempt to identify any possible remains during the next 10 weeks, the city said.

WSJ: Sifting of Sept. 11 debris for remains begins anew