按国情确定失业警戒线●本刊记者改革进程与失业压力改革开放以来，我国经历了３次失业周期。第一次失业高峰在１９７８年前后，大批知青返城，城镇就业压力骤然增加，１９７８年和１９７９年的城镇登记失业率分别高达５．３％、５．４％，通过劳动部门介绍就业、自愿组织... According to the national conditions to determine the warning line of unemployment ● correspondent reform process and the pressure of unemployment Since the reform and opening up, China has experienced three cycles of unemployment. The first peak of unemployment was around 1978, with a large number of educated youth returning to the city and a sudden increase in urban employment pressure. In 1978 and 1979, the registered urban unemployment rate was as high as 5.3% and 5.4% respectively. Employment through the labor sector was voluntary organization...