The article looked back the development history of nihil obstat,and contrasted the margin between our country and the developed nations in this realm,analyzed the reasons of fall behind,ap...

• 该文回顾了无障碍运动的发展历史,比对了我国在这个领域与发达国家的差距,分析了落后原因,呼吁切实加强无障碍环境建设。