Absent metrics, you have to extrapolate those insights manually, using so-called "tribal knowledge," word-of-mouth opinions, dozens of E-mail, and so forth.

缺少了量度，您就不得不利用所谓的“宗族的知识”、口述的意见、许多电子邮件，等等，手工地推断出那些判断。

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And to qualify for a federal Title IV-E block grant, agencies must generate performance metrics on a daily basis to prove that the allocations are creating the desired effect.

要获得联邦Title IV - e固定拨款，这些机构需要生成每日业绩指标来证明拨款正在实现预期效果。

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Some energy based metrics, e. g. peak signal to noise ratio (PSNR), have some limitations while applied to vector map watermarking systems.

峰值信噪比(PSNR)等基于能量的度量指标在应用于矢量地图水印系统时具有一定的局限性。

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