The objects under its control are the decision rights and measurements, policies, and control mechanisms.
在治理控制之下的对象是决策权和度量、政策，和控制机制。
Knowing what decisions within the process are critical and understanding what measurements are needed as input to those decisions helps decide where control points are best placed.
了解过程中的哪些决策是关键的，以及这些决策需要哪些度量作为输入，这有助于决定把控制点放在哪里最合适。
Although these methods can control and reduce the noise in most measurements, some techniques just prevent noise from entering the system, whereas others remove only extraneous noise from the signal.
虽然这些方法在大多数测量中能控制和减少噪声，但是一些技术只是防止噪声进入系统，而其他只是去除信号中的外来噪声。
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