研究精密机械热误差校正的机理，提出主动热校正控制变形误差的精度指标。
In this paper, the thermal error calibration principle of precision machines is presented, and the accuracy index of active calibration thermal deformation is proposed.
该文从影响机理入手，分别建立了地化热解资料的样品重量、孔隙与体积及轻、中及重质不同组分的校正模型。
In this paper, the correction models of light, middle and heavy components ard sample weight, porosity and volume were established from the view point of influence mechanism.
试验结果表明：利用铂电阻对热膜风速计进行温度自动校正取得了较为理想的效果。
The experiment results show that the HFA which USES the platinum resistance as temperature automatic calibration could obtain an ideal effect.
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