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1978年4～6月,我们曾对来安县城附近的两个公社的盲人进行普查普治工作,使一部分盲人恢复了力。1980年10～12月,我们再次在有代表性的丘陵地区
From April to June 1978, we conducted a general survey of the blind in the two communes near Lai’an County, bringing some of the blind people back to their knees. From December to December 1980, we are again in a representative hilly area