并对两种机型提出了曲柄平衡位置工作实用图表，可供前置式抽油机设计和使用者参考。
Practical working charts for the crank balanced position of two types of units, which will give a reference to the designers and operators, are offered.
本文将专家在平衡—模拟倒摆小车时记录下来的数据经处理后，用监督式学习的方法训练一前置式神经网络。
In this paper, we present a method of training a feedforward neural network using supervised learning scheme to balance an inverted pendulum and cart system.
平衡配置不分主备的双前置机的使用，减轻了前置机的负担，降低了前置机故障时下发报文丢失的概率；
The balanced dual FEP configuration reduces the loads of FEP and the probability of downward message loss, which occurs when one FEP is in failure.
为了改善抽油机的平衡调节，本文提出了平衡重前置的安装方式。
In order to improve the counterbalance effect of pumping units, this paper represents a method of installation with forward offset counterweight.
本文还推荐了平衡重前置调节平衡的计算公式。
In addition, formulas for counterbalance adjustment in such a case are given in this paper.
设计一种视频处理电路，通过介绍一种前置放大，CRT驱动的视频处理电路，系统包括前置放大电路、钳位脉冲形成、CRT驱动电路、白平衡调整等部分。
This paper describes a CRT video circuit with pre-amp and driver control. This system includes pre-amp circuit, clamp pulse production, blank level...
设计一种视频处理电路，通过介绍一种前置放大，CRT驱动的视频处理电路，系统包括前置放大电路、钳位脉冲形成、CRT驱动电路、白平衡调整等部分。
This paper describes a CRT video circuit with pre-amp and driver control. This system includes pre-amp circuit, clamp pulse production, blank level...
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