four decades

Engaged in clinical anesthesia for more than four decades, professional and technical proficiency, overall.

从事临床麻醉工作四十余年, 专业技术熟练, 全面.

You know , I've been involved in politics andone way or another for four decades.

我直接或间接地参政议政已有已有四十年了.

Two neighbors had been fighting each other for nigh on four decades.

两个邻居已经互相争斗了大约四十年.

Four decades ago, the country faced a farm crisis and responded with decisive boldness.

四十年前当巴国面临农业危机的时候,他们采取了大胆果断的应对措施.

Program trading since the seventies of last century the rise from the United States, four decades of very rapid development of financial markets in Europe and America had a huge impact.

程序化交易自上世纪七十年代从美国兴起，四十年来发展的非常迅速，对欧美的金融市场产生了巨大的影响。

Results from petroleum explorations for nearly four decades in the South Yellow Sea indicate that in the Yangtze massif, are developed a complete set of Mesozoic-Paleozoic marine strata with large thickness and wide distribution, and only upper Silurian and lower Devonian are absent.

南黄海海域油气勘探近40年成果证实，处于扬子地块之上，除缺失志留系上统和泥盆系下统，发育了较完整的中、古生代海相地层，厚度大，分布广。

The study of methodologies and techniques to produce correct software has been active for four decades.

研究的方法和技术来记录观测结果,得到正确的软件一直活跃在四十年.

Four decades after King's death much remains to be done.

金去世的四十年后仍需做出巨大的努力.

She has set a shining example of loyal service over four decades.

四十年间，她树立了一个忠诚服务的光辉榜样。

Stepping down from the presidency, Chirac will be closing out some four decades in politics.

希拉克离任后, 将告别他驰骋了四十多年的政坛.

More than four decades later, her larger-than-life persona still emanates from each shot.

四十多年之后，她具有传奇色彩的人格面貌人仍旧从每一个镜头里散发出来。

The world's population has doubled during the last four decades.

过去40年中世界人口增加了一倍.

So it may seem rather strange that I have returned to college to finish the degree I left undone some four decades ago.

因此，我重返大学去完成四十年前中断的学位看似有些奇怪。