Both are based on observations of field phenomena.

两者都以流场现象的观测结果为基础。

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Inference is what we do when we draw conclusions based on observations and experience.

推论就是我们通过自己的观察和经验得出的结论。

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Yellow lines in each image indicate the median for that month based on observations from 1979 to 2000.

图上的黄线代表基于1979 - 2000年所观察到的这个月数据的中值水平。

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But it is a scientific theory based on repeated observations, experiments,measurements and discoveries.

VOA: special.2009.12.01

In short: We can now estimate, based on observations, how sensitive the temperature is to carbon dioxide.

FORBES: Maybe Climate Change Just Really Isn't A Problem After All?

The puzzling finding in 1999 that the universe's expansion seems to be accelerating was based on observations of a few dozen supernovae.

ECONOMIST: Mirror, mirror

Based on observations of nursery schoolchildren aged three and a half, the researchers found that children in wheelchairs were seen as in need of support and were treated as popular members of the peer group.

BBC: News | Education | Children learn prejudice against disabled