This phenomenon has also been observed for the pandemic (H1N1) 2009.

在2009年H1N 1流感大流行中也观察到这一现象。

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under close medical supervision and is then observed for an allergic reaction over two hours.

口服食物激发试验即受试者在密切的医疗监督下，咽下之前禁食的过敏性食物，然后是两个多小时的过敏反应观察。

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Supernovae of this type have been observed for decades and we have learned that they are very predictable in the way they evolve.

这种超新星已经被观测了好多年，我们也知道了它们是能够按照它们的演变规律可以预测的。

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In an earlier study, seven thousand people were observed for an average of seven years.

VOA: special.2010.03.09

We are going to now go into the atom and try to understand the scientific basis for this observed behavior.

我们现在要讲讲原子,并试着去理解这个观察行为,的科学原理。

麻省理工公开课 - 固态化学导论课程节选

So, let's take a look at the different kinetic energies that would be observed in a spectrum for neon where we had this incident energy here.

那么，让我们来看一下,在已知入射能量的情况下,可以在氖光谱中观测到哪些不同的动能。

麻省理工公开课 - 化学原理课程节选

In fact, standards for NORM (naturally occurring radioactive material) have been observed for years.

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Certain rituals and deadlines must be observed for this kind of three-way swap to work.

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It is a byproduct of a religious practice many faithful Hindu women have observed for generations.

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