Vision is the main information source of human being.

视觉是人类信息的主要来源。

youdao

Target echo signals are the main information source in underwater acoustic detection system.

目标回波信号是水声探测系统主要的信息来源。

youdao

Doppler modulated echo information of helicopter rotors has a better stability of the aircraft's attitude, which is the main information source of radar identifying helicopters.

旋转部件的多普勒调制信息具有良好的姿态角稳定性，是雷达识别直升机的主要信息来源。

youdao

Television is the main source of news and information, with Russian national networks commanding the lion's share of the audience.

BBC: Ingushetia profile