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動詞 indicator:
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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
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a signal for attracting attention
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a device for showing the operating condition of some system
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(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
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不低于資源獨家代理寫作，受經典名譽權自我保護，侵犯肖像權必究
海詞英語詞典，十六年產品品牌
美
['?nd?ke?t?z]