Generally, the layering occurs on an annual basis, hence the observed changes in the records can be dated.

一般来说，分层是按年进行的，因此我们可以确定记录中观察到的变化的日期。

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The regional model successfully simulates key features of the region's present-day cloud fields, including the observed response of clouds to El Nino.

区域模型成功地模拟了该区域当今云场的关键特性，包括观测到的云区对厄尔尼诺现象的反应。

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The close correspondence between the observed properties of gallium and Mendeleyev's predictions for eka-aluminum lent strong support to the periodic law.

镓表现出的性质与门捷列夫对“铝下元素”的预测密切对应，为周期律提供了有力的支持。

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New York had the lowest rate, at seventy-nine percent of the adults observed at Grand Central Station and Penn Station.

VOA: special.2010.09.29

Many commentators have observed that The change in name accompanies a change in character, a change of essence in Israel.

许多评论家发现,名字的改变也伴随着性格的改变，以色列本质的改变。

耶鲁公开课 - 旧约导论课程节选

And, even Cavendish, one of the things that he observed was that hydrogen could be combusted to produce water vapor.

甚至卡文迪许都观察到了,氢气燃烧,会产生水蒸气。

麻省理工公开课 - 固态化学导论课程节选

In New York, people are masters of being both the observer and the observed.

CNN: 'Neighbors': Both anonymous and intimate

This contributes about a third of the observed 3mm rise in sea levels every year.

BBC: 'Best estimate' for impact of melting ice on sea level rise

The observers (readers) interact with the observed (author), which changes the final result (the story).

FORBES: Storytelling and Quantum Entanglement: Forbes Staffers, Contributors and Marketers