Economic periodic fluctuation earlywarningsignal system is built. On the basis of it, the earlywarning limits of all the indexes are determined.
建立了经济周期波动预警信号系统，在此基础上确定了各指标的预警界限。
2
The earlywarningsignal system of unemployment is based on the level of unemployment cordon, in different "light zone" has the appropriate contingency plans for the unemployed;
失业预警信号灯系统是根据失业警戒线的层次划分建立起来的，在不同的“灯区”有相应的失业应急预案；
3
The integrative parameter, in turn, can be employed as a quantitative criterion for judging the engine performances on which basis engine earlywarningsignal system can thus be established.