a thing, especially a trend or fact, that indicates the state or level of something
指示物,标志
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car ownership is frequently used as an indicator of affluence .拥有小汽车常常被用来表示富裕。
a device providing specific information on the state or condition of something, in particular
指示器,显示器,装置,尤指:
[usu. with modifier]a gauge or meter of a specified kind
…计,…仪,…表
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a speed indicator .示速器。
〈英〉 (火车站、飞机场等的)信息显示板,信息显示屏。
a flashing light or (formerly) other device on a vehicle to show that it is about to change lanes or turn
(车辆上的)方向灯;(旧时的)变向(或变道)指示器。
【化】 指示剂。
(亦作
(用来推断某生境的植物)指示(物)种。