如果数字计算机两次失败，飞行控制系统切换到模拟模式。
If two of the digital computers failed, the flight control system switched to the analog mode.
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.
讨论了在多媒介科技信息服务系统中使无计算机的信息服务用户能简便地利用传真机接收网络数字信息的计算机模拟传真系统。
This paper discussed the computer simulating fax system, in which the information serving multi-medium system's users who have not computers can receive the digital information by network simply.
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