它取决于控制变量的测量。
大型动力系统振动控制的另一个重要问题是状态变量的测量。
Another important issue for the vibration control of dynamic system is the measurement of the state variables.
这是一个诊断测试期间的一些生理变量的测量和记录睡眠过程中。
This is a diagnostic test during which a number of physiologic variables are measured and recorded during sleep.
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