In the case where this does not exist, then the result might be a loader being invoked, which will load the value from a back-end datastore (4).

如果它不存在，那么结果可能会是一个正被调用的加载程序，它会从一个后端数据存储(4)加载值。

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Currently the loader passes the internal representation of the code back to Ruby for execution.

目前，加载器会把代码的内部表示返回给Ruby来执行。

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The paper introduces a new style of loader which universally used for heading faces with heavy saddle back in roadway and weak stability of face surrounding rock.

介绍一种新型的装载机，该机能适用于巷道底板起伏变化大，工作面围岩稳定性较差的掘进工作面中使用。

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