With this method, the operator will have to calibrate zero and span on one background Air and need to change the pressure when backgrounds are changed.
使用此方法标定零点和量程在一个背景气情况下，在需要改变背景气时改变压力。
Presents gray system method to analyse building thermal process. Proposes gray models for solar radiation intensity and the change of outdoor air temperature.
提出用灰色系统方法来分析建筑热过程的非确定性，给出太阳辐射照度和室外空气温度变化的灰色模型。
The analysis and demonstration have proved that this method is a practical one for studying the change law of the air temperature I...
分析验证表明，这是研究进风井筒风流温度变化规律的一种新的实用方法。
The analysis and demonstration have proved that this method is a practical one for studying the change law of the air temperature I...
分析验证表明，这是研究进风井筒风流温度变化规律的一种新的实用方法。
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