Objective to investigate the value of application of two-way indicators, including the correct answer rate and misunderstanding rate, in evaluation of the knowledge status about AIDS among the public.

目的探讨使用“知晓率”和“误解率”双向指标在评价公众预防艾滋病知识知晓程度中的有效性。

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People always make some misunderstanding for the sampling rate and dynamic range of shallow seismograph.

人们对浅层地震仪的采样率及动态范围这两个指标往往产生某些误解。

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To avoid misunderstanding, let me emphasize that by using the term "natural" rate of unemployment, I do not mean to suggest that it is immutable and unchangeable.

为了避免误会，我要强调，所谓“自然”失业率，并不是说它是不可变的。

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