自上世纪以来，国外对攻击性的研究日趋增多与深入，尤其是在测量工具上。
Since last century, aggressiveness researches have developed rapidly and widely in foreign countries, above all in measurement instruments.
尽管许多候选国继承了支持铁路的运输体系，但自上世纪90年代以来，各运输方式之间的分配已大幅向公路运输倾斜。
Although many candidate countries inherited a transport system which encourages rail, the distribution between modes has tipped sharply in favour of road transport since the 1990s.
自上世纪80年代以来，专业育儿的费用一直在上涨。
The price of professional childcare has been rising since the 1980s.
自上世纪30年代初以来，瑞士银行一直为他们的银行保密系统和账户编号制度而自豪。
Since the early 1930s, Swiss banks had prided themselves on their system of banking secrecy and numbered accounts.
自上世纪90年代以来，该委员会已对成千上万的编织者和钩针编织者进行了调查，他们定期将缓解压力和创造力作为活动的主要收益。
Since the 1990s, the council has surveyed hundreds of thousands of knitters and crochets, who routinely list stress relief and creative fulfillment as the activities' main benefits.
表情符号自上世纪90年代末发明以来，已经成为一种现代国际语言。
Since emojis were invented in the late 1990s, they have been used as a modern international languages.
自上世纪90年代末以来，政府已经停止建造大型水坝，而是专注于拆除现有水坝，并恢复自然栖息地。
Since the late 1990s, the government has stopped building large dams, instead focusing on removing existing dams and restoring natural habitats.
中国微生物学家余勇向我们展示了这座宽敞的建筑，里面的课桌空空如也。他在一张配有插图的时间轴上详细描述了中国南极探险活动自上世纪80年代以来的快速增长。
Yong Yu, a Chinese microbiologist, showed off the spacious building, with empty desks under an illustrated timeline detailing the rapid growth of Chinas Antarctic operations since the 1980s.
从大多数标准来看，自上世纪70年代以来，公司治理已经变得越来越严苛。
By most measures, corporate governance has become a lot tighter and more rigorous since the 1970s.
自上世纪70年代末以来，比尔•巴克斯顿一直致力于互动系统的创造、研究、应用和报道，尤其是从人文角度。
Since the late 70's Bill Buxton has been creating, studying, using and writing about interactive systems, especially from the human perspective.
美国一度曾是农场主的国家，自进入上世纪以来日益城市化。
Once a nation of farmers, the United States has become increasingly urban since the turn of the last century.
但自上世纪九十年代以来，她们的预期寿命全球排名一直在下滑。
But their international ranking has been falling since the nineteen nineties.
自上世纪90年代中期以来，除德国和日本以外的发达国家一直处于一场房地产热潮之中。
With the exception of Germany and Japan, advanced countries have been in the grip of a housing boom since the mid-1990s.
但自上世纪80年代以来，由于兴修水利、水污染、过度捕捞和垦荒，珍稀特有鱼类的种群数量一直在不断下滑。
But the population of rare and unique fish species has been declining since the 1980s because of dam building, water pollution, overfishing and land reclamation.
研究者们发现，自上世纪40年代中期以来，运算的电效率每1.6年就会翻倍。
The researchers found that the electrical efficiency of computing has doubled every 1.6 years since the mid-1940s.
最富者和最穷者的差距如今要比自上世纪20年代以来的任何时候都要大，这些言辞已成为他们的竞选活动的中心主题。
With the gap between the richest and poorest now greater than it has been since the 1920s, these pitches have emerged as central components of their campaigns
自上世纪八十年代以来，欧盟官方执行环境方面例如空气污染的事务大量增加。
THE European Union’s authority on environmental issues such as air pollution has grown greatly since the 1980s.
自上世纪八十年代以来，欧盟官方执行环境方面例如空气污染的事务大量增加。
The European Union's authority on environmental issues such as air pollution has grown greatly since the 1980s.
但是，最重要的解释之一则是饮食习惯的改变：自上世纪80年代以来，来自日常饮食所含脂肪的热量比例提高了40%。
However, one of the most important explanations was the change in eating habits, including a 40 per cent rise since the 1980s in the proportion of calories coming from fat in the average diet.
自上世纪90年代中期以来，全球毛衣市场已缩水一半。
The global market for woollens has halved since the mid-1990s.
这是自上世纪70年代石油危机以来日本首次出现食品危机。
The crisis is the first of its kind to affect Japanese consumers since the oil crisis in the early 1970s.
尼可雷提指出，自上世纪90年代中期以来的信息技术中最为关键的进步影响已经来临。
The greatest impact of advances in IT, notes Mr Nicoletti, has come since the mid-1990s.
自上世纪50年代以来，航空服务一直依赖于地面导航的航道系统，飞机被迫按低效航线飞行，以与空中交通管理员保持联系。
Air travel still relies on a ground-based tracking system from the 1950s, which forces planes to use inefficient routes in order to stay in contact with controllers.
自上世纪80年代以来，中国被授予理工科博士头衔的人数量激增。
Since the late 1980s, the number of science and engineering doctorates awarded in China has exploded.
在电脑屏幕上打开一个窗口，随便键入一首自上世纪80年代以来流行歌曲的名字，一串结果就出现了。
You open a window on your computer's screen. You type in the name of a cheesy song from the 1980s.
自上世纪70年代以来，美联储在失业率达到峰值后平均过了14个月才收紧对经济的控制。
Since the 1970s, the Fed has waited 14 months, on average, after unemployment topped out to tighten the screws on the economy.
自上世纪70年代以来，美联储在失业率达到峰值后平均过了14个月才收紧对经济的控制。
Since the 1970s, the Fed has waited 14 months, on average, after unemployment topped out to tighten the screws on the economy.
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