indicators指示器indicatorn.指示器；指示剂；指示牌；【统计学】指标；【计】指示符indicator of evaluation system评价指标体系indicator paper of Congo-red刚果红试纸indicators of cyclical revival周期性复苏指标Indicator function of an event事件指示函数indicators of demographic trend人口趋势指标indicator paper of antigen test抗原检测试纸indicator photometric titration指示剂光度滴定indicator system for assessment评价指标体系indicator for nonaqueous system非水体系指示剂indicator system for evaluation评价指标体系