It gleans information through infrared sensing units . It is controlled by PLC system.它是通过光电传感器来采集信息再由PLC控制系统来实现控制的.The pitiful and younger brother, gleans andscraps actually with being the end of the world person!可怜的姐弟,...

gleans的音标：...

v.一点点地收集（资料、事实）( glean的第三人称单数 )，（收割后）拾穗...