响应时间的差异只有 1 msec，可以无需考虑，而且可能是由于测量的误差引起的。
The slight difference in response time of 1 msec would not be perceivable, and is likely due to measurement variability.
由于制造设备本身存在微小误差，具体门的延时并不相同，而是在一定范围内变化，引起波形变化的时间不确定。
Due to the subtle error among different manufacturing equipment, the gate delay of circuits is different and varies in a given scope, which induces the time uncertainty of the waveform.
特别注意不要使滤波器的响应时间在热曲线的峰值点引起误差。
Take care that the response time of the filter doesn't cause errors in the peaks of the heat curve.
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