When a rule runs, the rules engine must find an instance of the application object.

当运行一条规则时，规则引擎必须找到该应用程序对象的一个实例。

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The bold lines in the Listing 1 template will be replaced by actual data when the templating engine runs.

当模板引擎运行时，清单1中彩色显示的部分将被实际的数据替换。

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The engine calls the resource domain to locate resources when a select or recommendation rule runs.

在选择或建议规则运行时，引擎将调用资源域以定位资源。

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Some car companies are rolling out hybrids that can switch over to a gasoline engine when the battery runs low.

FORBES: California To Build A $100M Electric Car Charging Network