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1·EPROM: in full erasable programmable read-only memory, Form of computer memory that does not lose its content when the power supply is cut off and that can be erased and reused.

可抹除可程序化只读存储器：计算机内存的形式，切断电源供应之后内容不会消失，并且可以删除及重复利用。

2·The method of designing the programmable cut-off frequency low pass filter is also shown. Under the control of a computer, its cut-off frequency may vary with the input signal frequency.

介绍了一种程控低通滤波器的实现方法，其截止频率可随输入信号频率的变化由计算机控制。

3·Dongguan Aoke Computer Cut-off Equipment Co., Ltd is the direct selling agent of Shanghai Xinao Numerical Control Equipment Co.

东莞市奥科电脑切割设备有限公司是上海信奥数控设备在华南地区的直销实体。