上海电力学院自动化英语考试重点句子

A: 1: A feedback system is often better able to cope with unexpected disturbances and uncertainties about the system’s dynamic behavior.一个反馈系统经常能更好的应付不期望的扰动作用以及系统动态性能的不确定性，

//However ,it need not be true that closed-loop control is always superior to open-loop control .然而，闭环控制并不一定总是优于开环控制，

//When the measured output has errors which are sufficiently large ,and when unexpected disturbances are relatively unimportant ,closed-loop control can have a performance which is inferior to open-loop control.当输出的测量误差足够大或不期望的扰动无关紧要时，闭环控制的性能就会比开环控制的差

2：An analog--to--digital converter(ADC) is used to convert a continuously variable signal to a corresponding digital form which can take any one of a fixed number of possible binary values.一模拟--数字转换器（ADC）用来将连续变换信号编程相应的数字量，这数字量可是可能的二进制数值中的一固定值。

3：A new phase in robot applications has been opened with the development of “intelligent robot ” . 一个机器人应用的新局面随着“智能机器人”的发展而已近打开。