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分享一些电子工程相关英语句子。 1.This course includes the history of control, modeling of physical processes, design specifications in the time domain,design using the root locus, frequency response and anintroduction to state space design for single-input and single-output systems. 1.本课程主要内容包括控制理论的历史、物理过程的模块化方法、时域系统的设计方法、用根轨迹法的设计方法、频率响应，以及单一输入/输出系统状态方程设计方法的介绍。 2.In 1945 H. W. Bode presented a system for analyzing the stability of feedback systems by using graphical methods. Until this time, feedback analysis was done by multiplication and division, so calculation of transfer functions was a time consuming and laborious task. 2.1945年HW伯德提出了一套系统方法，用图形化方法来分析反馈系统的稳定性。在此之前，反馈分析是通过乘法和除法完成的，所以传递函数的计算是一项费时和费力的任务。 3.Remember, engineers did not have calculators or computers until the '70s. Bode presented a log technique that transformed the intensely mathematical process of calculating a feedback system's stability into graphical analysis that was simple and perceptive. 3.请记得工程师们在上个世纪70年代之前是没有计算机或者计算器的。伯德提出了一种日志技术，这种技术将计算反馈系统稳定性这种复杂的数学过程转换为简单和直观的图像分析。 | 
