对于气相色谱法而言，典型差异是不同批号或供应商的色谱柱、温度、流速。
In the case of gas chromatography typical variations are different lots or suppliers of columns the temperature and the flow rate.
采用假设模态法建立耦合控制方程。分析系统的颤振临界流速随间隙和板厚的变化规律。
Coupling control equation of system was presented based on assumption method and change tendencies of critical velocity for flutter with both gap and the thickness of beam were discussed.
目前，我国明渠测流仍采用传统的特设量水设备法、水尺法、流速仪法等。
At present, we are still using the traditional way: AD hoc volume of water equipment, water gauge, velocity meter etc.
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