four decades

US productivity growth eventually leapt in the 1920s, four decades after the commercialisation of electricity.

上世纪20年代，在电力商业化40年之后，美国的生产率增长终于实现了飞跃。

For four decades, the Qaddafi regime ruled the Libyan people with an iron fist.

40年来，卡扎菲政权以铁拳统治利比亚人民。

However, compared to the achievements at digital circuit fault testing of the last four decades, the development of analog circuit fault diagnosis is too slow.

但相比于在近四十年来数字电路故障诊断方面所取得的成就，模拟电路的故障诊断的进展是相当缓慢的。

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.

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.

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.

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。

She is the youngest chancellor ever of DC's public schools and the first non-black to run the system in four decades.

她是这些公立学校有史以来最年轻的长官，也是该体系中40年来第一个白人领导者。

The honor comes after almost four decades of filmmaking punctuated by dozens of international accolades--including a technical prize at Cannes for 'In the Mood for Love,' set in the 1960s Hong Kong of his childhood.

在近四十年的电影制作生涯中，张叔平曾摘得数十项国际大奖，其中包括凭藉《花样年华》（In the Mood for Love）在戛纳电影节获得的技术大奖。

This is the first time in over four decades that more people believe they will be worse off than better.

后者人数多于前者，这在40多年来是头一次。

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.

On Dec. 29, 1989, playwright Vaclav Havel was elected president of Czechoslovakia by the country's Federal Assembly, becoming the first non-Communist to hold the post in more than four decades.

1989年12月29日，由捷克斯洛伐克联邦议会选举剧作家瓦茨拉夫·哈维尔为总统，成为四十多年以来首位当选总统的民主人士。

Inspired by the revolutions that ousted the leaders of Tunisia and Egypt in the past month, Libyans have risen up against Mr Gaddafi, who has ruled them with an iron fist for more than four decades.

在过去一个月突尼斯和埃及先后发生推翻领导人的革命的鼓舞下，利比亚人正奋起反抗铁腕统治该国逾40年的卡扎菲。

At temporal scale, the contribution rate of the first and second vectors reached 90.26% of total information. There was a single peak in desertification, which indicated that the influence of landscape structure was simple during the past four decades.

在时间尺度上，第一和第二分量占总信息量的9026%，说明在过去40年中景观结构对沙漠化的影响相对简单，只有一个峰值。

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。

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.

After more than four decades of making films, Woody Allen is coming to television-streaming television.

伍迪·艾伦（Woody Allen）在拍了四十多年电影之后，开始进军电视界——具体来说是流媒体电视界。

This second era ended some four decades later, after another world war had drained the Europeans of much of their strength, Arab nationalism had risen, and the two superpowers had begun to lock horns.

大约四十年后，第二个时期结束。第二次世界大战后欧洲国家的实力大为的削弱，此时，阿拉伯的国家主义兴起。

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。

Burt Bacharach penned the music four decades ago and Dusty Springfield sang about it in the James Bond film "Casino Royale".

伯特•巴卡洛克于四年前写下一首《爱的注视》，达斯汀•史普林菲尔德在詹姆斯•邦德主演的电影《皇家赌场》中演唱了这首歌。

Created a snack that has been tantalizing taste buds for nearly four decades.

因而创造出了刺激众多人味觉将近40年的小吃。

Modell was in honor for four decades for being best remembered for moving the Season Ground to Baltimore in the mid-1990s. 4.

他最令人难忘的是20世纪90年代中期，Modell毅然决定，将乌鸦队迁至Baltimore。

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.

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。

That is in part because this is the first transition in four decades to occur at a time when the United States is at war.

这样做的一个原因是，这是40年来美国首次在和它国交战期间发生权力交接。

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。

In the four decades on behalf of the particular political and social and cultural atmosphere, the beauty of western Hunan text of a class of novel creation, in the mainstream ideology has become difficult under the clamp.

在三四十年代特殊的政治社会文化氛围下，湘西小说一类的美文创作，在主流意识形态的夹持下变得艰难。

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.

Dear Kermit: interesting question, and one that Vincent Stanley has pondered for the past four decades.

亲爱的克米特：你提出了一个有趣的问题，这也是让文森特•斯坦利过去40年中一直苦苦思索的问题。

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.