Objective To explore the changes of time-dependent pulmonary artery structural remodeling in pulmonary hypertension induced by high pulmonary flow in rats.

目的探讨大鼠高肺血流性肺动脉高压形成中肺血管结构的动态变化规律。

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Over long periods of time, these small changes result in the creation of new species.

VOA: special.2009.12.01

There have been fundamental changes through time that make the role of the central bank evolve and change through time.

试图保持系统的稳定,随着时间的发展，基本的改变发生,使得中央银行的角色演变。

耶鲁公开课 - 金融市场课程节选

But if you think of the time span about 900 to 700 B.C., that is, when these changes are taking place.

但是如果你发现它发生在,大约公元前900年到700年之间时

耶鲁公开课 - 古希腊历史简介课程节选

' In the APS it is OK to discuss whether the mass of the proton changes over time and how a multi-universe behaves, but the evidence of global warming is incontrovertible?

WSJ: Sixteen Concerned Scientists: No Need to Panic About Global Warming

One is that by comparing the results from 2005 with results from trips to the Windward Isles in different years, the team has shown that the size of the sink changes markedly over time, which is not what previous studies of sinks have assumed.

ECONOMIST: Climate change

The center will be able to tap into the resources and expertise of these companies as the date changes time zone to time zone, Gagnon says, adding that the SANS Institute and the Information Technology Association of America will be responsible for keeping in touch with the systems administrators.

CNN: Internet Y2K monitoring plans outlined