No significant discontinuous were observed, leading Sheldon to conclude that environmental conditions were quite stable during the period he examined.

由于没有观察到明显的不连续，谢尔顿得出结论，在他研究的时期，环境条件是相当稳定的。

youdao

It aims to measure the financial, social and environmental performance of the corporation over a period of time.

它的目的是衡量一段时间内企业在财务，社会和环境方面的表现。

youdao

Like other mental illnesses, alcohol use disorders (AUDs) develop through interactions of multiple genetic vulnerabilities and environmental factors over a long period.

像其他精神疾病一样，酒精使用障碍(AUDs)是长期多种基因弱点和环境因素相互作用形成的。

youdao

The event's final declaration, negotiated over a nine-month period, is expected to focus on economic, environmental and energy concerns.

VOA: standard.2009.04.17

Endurance Crater contains many exposed slabs of layered rocks that might provide information about a long period of environmental history on Mars.

BBC: NEWS | Science/Nature | Rover finds new Mars water signs

The Environment Agency, which brought the case, said the two charges of breaching environmental permit conditions related to a period between July 2008 and September 2011.

BBC: Moy Park poultry farm fined ?50,000 for 'nauseous' smells

Its detection at unearthly levels in rocks 65 million years old was the first evidence in the case for an asteroid causing the mass extinction and global environmental mayhem that ended the Cretaceous period and began the Tertiary period.

BBC: Leaving our mark: Fossils of the future