词汇	study of the country
释义	study of the country 农村研究
随便看	single start stop printer single start-stop printer single start thread single-start thread single start worm single-start worm single state single-state single statement array assignment single statement group single-state optimization single-state recycle single states single static assignment single station single-station single station analysis single-station analysis single-stationary detector single stationary detector system single stationary observer single-station blow molding machine single-station broadband single-station broadbandcommunications single station command post