And, the system can realize functions of automatic irrigation, drainage warning, real time clock, historical data inquiry, data up-transmission and two-waycommunication.
系统能够实现自动化灌溉,具有排水警示、实时时钟、历史数据查询、数据上传及双向通信等功能。
3
LLCD is NASA's first system for two-waycommunication using a laser instead of radio waves.