对广西平乐、荔浦两锰矿恢复区种植的食用农作物进行了调查和重金属含量分析。

A survey on the crops grown on the restored manganese mine lands in Pingle and Lipu of Guangxi was conducted, and the heavy metal concentrations in the edible parts of the crops were analyzed.

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留设保护煤柱时，底板岩巷应位于集中应力区的外侧或跨采时工作面应推过足够距离，使巷道靠近采空区应力恢复区的下方。

The floor roadway should be located out of the abutment stress zone when protection coal pillar is retained, or the working face should be pushed away for enough distance under overhead mining.

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一部分褐鹈鹕的恢复之计是在密西西比三角洲的两侧扩展它们的筑巢区——但是现在三角洲两侧都处在被石油污染的过程中。

Part of the birds' recovery strategy has been to expand their nesting sites to both sides of the Mississippi delta-but now both sides are in the path of the spill.

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