安全是一种量度，而不是一种特征。

Security is a measurement, not a characteristic.

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作出准确的量度，最少需要两个像素去表达由数码化影像中你所想察看的最小特征。

To make accurate measurements, a minimum of two pixels should represent the smallest feature you want to detect in the digitized image.

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用机械健康度定量度量机械状态的优劣，给出机械特征参数提取和机械故障诊断时信息融合的计算方法。

We used the mechanical health degree to compute the information fusion entropy value of mechanical characteristic parameter and mechanical failure diagnosis.

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