Analog electronic technology is very abstract for most people.

模拟电子技术对大多数人来说很抽象。

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Abstract: Around us, often exposed to a lot of equipment on the electronic circuit.

摘要：在我们的身边，经常接触到很多关于电子线路的设备。

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Abstract: Electronic computers since birth, computer operating system research has made considerable progress.

摘要：电子计算机诞生以来，计算机操作系统的研究取得了长足进展。

youdao

Abstract: Electronic computers since birth, computer operating system research has made considerable progress.

摘要：电子计算机诞生以来，计算机操作系统的研究取得了长足进展。

youdao