在线计算机系统使用多种不同类型的终端设备，可以完成非常广泛的功能。
On-line computer systems use many different types of terminal devices. The functions they perform vary widely, and depend on their logic, transmission, storage and basic processing capabilities.
摘要：伴随着计算机网络技术的迅猛发展和终端设备的迅速普及，利用网络资源进行辅助教学成为必然的趋势。
Abstract: the trend of web assistant teaching is becoming inevitable along with the rapid development and popularization of computer network technology and terminal equipment.
如通讯设备、计算机及网络设备，精密仪器等终端设备的末级浪涌保护。
Such as communication equipment, computer and network equipment, precision instruments and other stage surge protection devices.
如通讯设备、计算机及网络设备，精密仪器等终端设备的末级浪涌保护。
Such as communication equipment, computer and network equipment, precision instruments and other stage surge protection devices.
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