In the observational studies we found that some of the B vitamins were beneficial.

在观察性研究中，我们发现一些B族维生素是有益的。

He is largely unknown, despite his many great achievements, which may have been due to his religious zeal in a time that was moving away from reasoned science and towards observational science.

不过他做出多大的贡献，他几乎鲜为人知，这也许是由于他在那段时期由思辨科学转向观测科学的宗教热情。

In a large-scale observational study, Park decided to map out Santa visits to the UK in 2015, focusing on the children who needed holiday cheer the most: kids in hospitals.

在一项大规模的观察性研究中，Park决定记录圣诞老人于2015在英国的探访足迹，重点放在最需要节日祝福的孩子们身上：医院里的孩子们。

In this paper, we first analyse the observational data of atmospheric gravity waves induced by a solar eclipse in China and discuss the some properties of the atmospheric gravity waves.

第一次在国内测得了由日食引起的大气重力波，进而讨论了大气重力波的若干特性。

Observational studies from Denmark, Britain, the United States, Canada and other countries have shown a decline in the male to female ratio of children during the past few decades.

丹麦、英国、美国、加拿大和其他国家的有关报道表明，在过去的数十年中，男婴和女婴的比率有所降低。

Others point to observational and anecdotal evidence that homeopathy does work and argue that it should not be rejected just because science has not been able to explain it.

另外一些人却指出了通过观察或者一些传闻能证明顺势疗法确实有效，并认为它们不该被抛弃只因为现有科学无法解释它。

Objective To study the relation between the microelement content in hair and blood pressure, and to provide an ideal observational means in prevention and cure in high blood pressure.

目的探讨发中微量元素与血压之间的关系，为寻找高血压防治的理想观察手段提供依据。

The move follows findings from a large observational study, published Friday, that found increased risk of heart problems and death in COVID-19 patients who used chloroquine and hydroxychloroquine.

此前，在周五发表的一项大型观察性研究中发现，使用氯喹和羟氯喹的新冠病人患心脏病和死亡的风险会增加，因此做出这一决定。

Even though previous observational studies suggested that repeated courses of steroids in the womb may result in brain damage, this study shows that the babies?brains are virtually unaffected.

即使先前的观察性研究指出对子宫进行反复类固醇治疗可能会导致脑损伤，然而事实上此项研究显示婴儿大脑没有受到影响。

Observational data can only tell us if there's a change in the intensity or frequency of an event; it still can't tell us what caused those changes.

观测数据只能告诉我们一个事件的强度或频率是否发生了变化；它仍然不能告诉我们是什么导致了这些变化。