The application of the model can improve the control accuracy of radiant floor heating system, and control indoor temperature within a given range, thus ensure indoor thermal comfortableness.

预测控制模型的应用可提高对地板辐射供暖系统的控制精度，使室内温度控制在设定范围内，保证了室内的热舒适性。

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This test method covers the determination of the change of resistance with temperature of metallic materials for electrical heating, and is applicable over the range of service temperatures.

本试验方法适用于电热合金随温度变化的测量，亦可用于超过电热合金使用温度范围的情况。

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Hardening. This is the process of heating to a temperature above the critical range, and cooling rapidly enough through the critical range to appreciably harden the steel.

淬火。这个工艺是把材料加热到临界温度范围之上，然后迅速冷却到临界温度范围以下，使钢材明显变硬。

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