Surface Acoustic Wave Filter (SAWF) is a sort of analogue device for signal processing.
声表面波器件是一种新型的模拟信号处理器件。
This paper describes one kind of analogue device used in developing middle and large model computers.
本文主要介绍一种便于大、中型计算机开发的模拟设备。
An intelligence switch box is designed by use of analogue electronic elements and digital electronic elements. The paper introduces the functions and working principle of the device.
用模拟电子元件和数字电子元件设计一种智能开关盒,介绍这种装置的作用和工作原理。
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