"If you cannot measure it, you cannot improve it," is attributed to Lord Kelvin, but has been adapted widely by gurus of quality management in many disciplines, including data centers. As best put by author H. James Harrington, "Measurement is the first step that leads to control and eventually to improvement. If you can't measure something, you can't understand it. If you can't understand it, you can't control it. If you can't control it, you can't improve it."
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机译：开尔文勋爵（Lord Kelvin）表示：“如果无法衡量，就无法改善。”但是，在包括数据中心在内的许多学科中，质量管理专家对其进行了广泛的修改。正如作者H. James Harrington所言：“衡量是导致控制并最终改善的第一步。如果您无法衡量某些事情，您将无法理解它。如果您无法了解它，那么您可以无法控制。如果无法控制，就无法改进。”
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