observational

常见例句

Theory and some observational data pointed to the likelihood that they were ubiquitous.
理论和一些观测数据则指向他们曾经普遍存在的可能性。
Some observations of clouds support model predictions, but direct observational evidence is still limited.
一些云观测支持模式的预报，但是直接的观测证据仍然很有限。
"There is an observational correlation between the mass of the black hole and the mass of the dark matter halo, not necessarily the mass of the galaxy itself, " she said.
“观测的结果显示，黑洞的质量和暗物质环的质量关系更紧密，而星系本身的质量倒不一定是这样。” 她说。

Last week, the Lancet published the combined results of a larger observational study, also led by Professor Rothwell.
Now the epidemiology studies are observational studies.
流行病学研究是观察性研究
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It was an observational study.

During this prospective observational cohort study, about 2 % of the men developed kidney stones.
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No previous long-term observational study had collected both environmental and biomedical information starting in utero.
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By 1932, however, there was observational data indicating that indeed the universe was expanding.
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