analog backup的意思|示意

Says NASA about the flight control system: "Each of the three digital flight control computers had an analog backup."

美国宇航局说，对飞行控制系统：“这三个数字式飞行控制计算机每有一个模拟备份。”

Application: watches (digital and analog), calculator, electronic notebook, electronic keys for automobile, card radio, medical equipment, memory backup power source.

电池用途：本品主要适用于手表、计算器、电子词典、汽车电子钥匙、微型广播、医用设备、备份支撑电源。

Alarms that use the analog network as a main or backup link may lose their connection to alarm centers.

警告显示，模拟网络作为主要的或是后备链接，可能会丢失他们与报警中心的联系。