More advanced technical information was brought in from abroad in the 1980s 在二十世紀(jì)八十年代,更多的技術(shù)信息從國外引了進(jìn)來。
More advanced technical information has been brought in from abroad since the early 1980 ’ s , when it was on only 7 % percent of the land which could be used for farming that farmers began to produce food for the whole population of china 自從二十世紀(jì)八十年代初起,更先進(jìn)的技術(shù)信息從國外引進(jìn),在這個(gè)時(shí)候,正是在可以被用于耕作的僅有7 %的土地上農(nóng)民們開始種出供中國全民食用的糧食。