The conclusion is: the short term variability behavior provides a strong support to the thick accretion disk model of AGN.

这些讨论表明，活动星系核的短时标光变特征对厚吸积盘模型提供了强有力的支持。

youdao

Climate change is all about long term trends, which are hard to detect in a weather record which has very large natural variability.

气候变化是长期的，我们不能用一种天气情况来判断说有大的气候自然变异。

youdao

A rich content and system of knowledge, mature research methods in dendrohydrology provide accurate methods for studying long-term hydrologic variability at regional scale.

树木年代学丰富的内容和知识体系，成熟的研究方法，为区域尺度上研究水文变化提供了精确的方法。

youdao

These are long-term government bonds and I--now these are--since they're long-term, they have some uncertainty and variability to them.

这些是长期政府债券,由于它们是长期的，就存在不确定性和变化性。

耶鲁公开课 - 金融市场课程节选

The Berkeley group does depart from the "orthodox" picture of climate science in its depiction of short-term variability in the global temperature.

BBC: Global warming 'confirmed' by independent study

The programme aims to maintain a network of at least 3, 000 Argo floats, over all ocean areas without ice-cover, to study ocean variability in the long term.

UNESCO: World Water Assessment Programme (WWAP)

If peak acidities rather than long-term averages are what matters most, natural variability could make things worse.

ECONOMIST: Ocean acidification