Although the system would consume energy, it would return energy to the grid via methane generation from composting nonedible parts of plants.
尽管该系统会消耗能源，但它会通过从植物不可食用的部分堆肥产生的沼气将能源回馈给电网。
2
You can build an XML query visually by selecting sample resultant nodes from a tree representation of a schema or XML document and dragging the nodes onto a returngrid.
您可以通过从一个模式或 XML 文档的树型表示中选择示例结果节点，并将这些节点拖放到一个返回网格中，从而可视化地构造一个 XML 查询。
3
This example will dispatch a message into the grid, identify which grid partition has been assigned to process the message, and return that information back to the dispatcher.