Both Europe and Japan have based their efforts on the development of analog systems that use wavelike transmission signals.
欧洲和日本都曾致力于开发采用波状传输信号的模拟系统。
Digital and analog systems need an interpreter in order to understand each other. and that's where the modem (short for Modulator DEModulator) comes.
数字系统与模拟系统之间需要有一个转换器，以便使两种系统相互理解。调制解调器的作用就在于此。
Compared with analog systems, digital video systems of computer have many advantages in the quality of picture, structure and the period of new production.
与模拟系统相比，计算机数字视频系统在图像质量、结构和新产品开发周期等方面有许多优势。
Compared with analog systems, digital video systems of computer have many advantages in the quality of picture, structure and the period of new production.
与模拟系统相比，计算机数字视频系统在图像质量、结构和新产品开发周期等方面有许多优势。
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