Our understanding of others is based on observation and interpretation.

我们对他人的了解是基于我们对他人的观察和理解。

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Modern science is based on observation on experiment, and on measurement.

现代科学是建立在观察、实验和度量的基础上的。

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And our understanding of causation is not really based on intelligibility, its based on observation of uniformity.

我们关于因果关系的理解并不是真正基于可理解的事物，而是基于观察的一致性。

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"It's based on scientific observation which I think is important.

VOA: special.2009.12.01

In the early 19th century, artists dissatisfied with the Academy's sleek conventions began to insist on the value of unmediated realism, based on observation.

WSJ: Appealing to Modern Eyes | The Path of Nature | Metropolitan Museum of Art | By Karen Wilkin

The study was based on observation, not lab research, he says.

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Based on personal observation of the other side of that process, I think he overstated his case in that regard.

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