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 standard physical output标准实物产量指示indicator organism for water pollution水污染指示生物indicator dilution curve determination(染料)指示剂稀释曲线测定indicator board showing exchange rates外汇汇率指示牌indicator dilution concentration curve(染料)指示剂稀释曲线indicator driving wheel friction spring指示传动轮摩擦簧indicators of hydrothermal sedimentation热水沉积指示物Indicator inverse distance weighted method指示距离幂次反比法indicator maintaining plate distance piece指示器定位板隔片indicator device driver maintaining washer指示装置传动轮保护隔片