在输油管道漏油监测系统中，如何将测量到的应力波信号进行处理，对人为打孔漏油的信号特征和模式进行识别，是决定检测准确度的关键。
How to analyse the measured stress wave signal for an oil leakage monitoring system to get the features and the modes of man made leakages is the key problem for accurate detection.
基于三维有限元法的在线多相流测量系统，所接入输油管道的电容式多相流为圆柱形。
For the multiphase flow measuring system on-line based on three dimension finite element method (3d FEM), the capacitance-based multiphase flow which is connected to the oil pipeline is a column.
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