The information of liquid types can be obtained from calculating inverted frequency spectrum of differential signals, which can identify the water flooded layer.
通过求取其微差信号的倒频谱提取储集层流体类型信息，对水淹层进行识别。
The training model of test simulation for car of inverted pendulum based on BP algorithm of artificial neural networks (ANN) is a BP network that has 4-input and 3-layer structure.
基于人工神经网络BP算法的倒立摆小车实验仿真训练模型，其倒立摆BP网络为4输入3层结构。
The installation technique for low temperature storage tank with double layer metal structure is mainly divided into normal assembly method and inverted assembly method.
双层金属结构低温储罐的安装工艺主要有正装法和倒装法。
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