综述了边坡稳定性研究的进展，并重点介绍了八十年代后的研究成果。
The paper reviews the advances in the research on slope stability and highlights the research achievements made since the eighties.
上世纪八十年代后，全球风力发电机的制造已经主要从美国转向了欧洲，因为西班牙等国为可再生能源制定了特别价格。
Global manufacturing of wind turbines shifted primarily to Europe from the U.S. after the 1980s, as nations such as Spain created special pricing for renewable power.
自上世纪八十年代初达到顶峰后，人工流产率已呈逐年下降：现每1000位女性的人工流产数已低于20。
Since a peak in the early 1980s, the rate has dropped steadily: there are now less than 20 abortions for every 1,000 women.
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