indicator中文什么意思

n.
1.指示者；指示物；标识。
2.【化学】指示剂。
3.【机械工程】指示器，示功器。
+更多解释...短语和例子
an indicator card [diagram] 示功图。 revolution indicator 转速计。 speed indicator 速度计。

• a indicator:    a型显示器
• indicator on:    指示器开启; 指示指令接通
• indicator-on:    指示指令接通

例句与用法

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1. The number of indicator lamps in conventional dashboards is increasing .
   在常规仪表板上指示灯的数目不断增加。
2. Upon the addition of a good starch indicator a blue solution results .
   加入好的淀粉溶液指示剂，这时溶液变成兰色。
3. We can use an indicator with a pointer or a continuous recording device .
   我们可以使用有指南针的指示器，或是连续记录的装置。
4. Improper choice of indicators can introduce serious errors into volumetric work .
   指示剂选择不适当可能给音量分析带来重大误差。
5. Analyses of economic indicators represent the forecaster's "crystal ball" .
   经济指标的分析，象征着预测者用以占卜的“水晶球”。

英文释义

名词

1. a device for showing the operating condition of some system
2. a number or ratio (a value on a scale of measurement) derived from a series of observed facts; can reveal relative changes as a function of time
   同义词：index, index number, indicant
3. a signal for attracting attention
4. (chemistry) a substance that changes color to indicate the presence of some ion or substance; can be used to indicate the completion of a chemical reaction or (in medicine) to test for a particular reaction