这意味着研究人员可能会决定只观察在每20分钟内随机分布的15秒间隔。
That means the researcher might decide to observe only during 15 second intervals that are randomly distributed within each 20 minute period.
把自己看作是一个永恒的观察者,并且只观察这一时刻。
Think of yourself as an eternal witness, and just observe the moment.
如果我只观察平行于x轴的切面,那这应该是一个极小值点。
If I look only at the slice parallel to the X-axis then maybe I am going through the minimum.
There's a lag period where if I was just looking for antibodies nothing happens for a while.
这中间存在一段迟滞期,如果只过一会就进行观察,抗体的数量不会发生变化
It's not just behavior that is important for understanding as well as improving life.
不能只靠行为观察,改善人生。
it's not that there's only one fortunate family of inertial observers.
并不是说只存在一种惯性观察者
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