indicators指示器indicatorn.指示器；指示剂；指示牌；【统计学】指标；【计】指示符INDICATOR POSTS WITH GATE VALVES配置闸阀的指示器柱Indicator electromagnetic screen显示器电磁屏蔽indicator clutch operating lever指示器离合操作杆indicators of cyclical recession周期性衰退指标indicator of economic development经济发展指标indicator maintaining small plate指示器压片indicator for nonaqueous titration非水滴定指示剂indicator type measuring appliance指针式仪表indicator of hydrologic alteration水文改变指标Indicators of fluorine ion analyzer测氟仪指示计