The first one employs the fracture parameter, being the distance from the point of applying the indentation load to the specimen edge.

第一个采用了断裂参数，是距离的应用压痕负荷的标本优势。

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Nowadays, in China HVAC systems operate at fixed load, fixed working point and fixed controller parameter, and there are many problems in energy management.

目前，我国暖通空调控制系统按照定负荷、定控制回路工作点、定控制器参数运行，并且在能量管理功能方面有很多不足。

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