自1951年以来，在职的已婚女性的比例已经从刚超过五分之一增长到二分之一。
Since 1951 the proportion of married women who work has grown from just over a fifth to a half.
要是我选择一个60度的角，这些数就会是二分之一和二分之根号三。
If I pick an angle of 60 degrees, these are some numbers like half and root 3 over 2.
当今纸废料约占全部废料的二分之一。
Today, paper accounts for about half of the wastes collected.
根据统计数字，几乎二分之一的集装箱不能准时抵达目的地。
It's a statistical fact that almost one out of two containers doesn't reach its destination on time.
全世界三分之一癌症与皮肤有关；在美国，这一数字为二分之一。
One in three cancers worldwide is skin-related; in the United States, that figure is one in two.
每学年缓考课程数不得超过该学年所修课程总数的二分之一。
The number of delayed exam courses should not exceed half of the taken courses.
占世界儿童总数近二分之一的约七亿儿童呼吸的空气受到烟草烟雾污染。
Around 700 million children, or almost half of the world's total, breathe air polluted by tobacco smoke.
在2100年前，日本、欧洲和俄罗斯的人口，可能会减少二分之一至三分之二。
Japan, Europe and Russia could lose between one-half and two-thirds of their population by 2100.
英国由于发电的需要而对天然气的依赖看起来在十年内将会由低于二分之一上升到四分之三。
Britain's dependence on gas for its electricity seems set to rise from just under half to three-quarters in a decade.
专家称啤酒是膳食中硅元素的主要来源——人体大概能够吸收啤酒中硅元素含量的二分之一。
The experts said beer was a major source of dietary silicon – roughly half of the silicon in beer can be readily absorbed by the body.
地球上不结冰的陆地面积，将近二分之一已经被人类所改变，对自然界造成严重影响。
Humans have transformed nearly half of the planet's ice-free land areas with serious effects on the rest of nature.
地球上不结冰的陆地面积，将近二分之一已经被人类所改变，对自然界造成严重影响。
Humans have transformed nearly half of the planet's ice-free land areas, with serious effects on the rest of nature.
日本企业的净资产收益率达到5%左右，是欧洲企业的二分之一以及美国企业的三分之一。
Japanese firms have a return on equity of around 5%, which is half that of European companies and a third that of American ones.
目前，其占gdp的份额只有房地产泡沫鼎盛时的大约二分之一，进一步的改善正在进行之中。
At this point, it's only about half as large as a share of G.D.P. as it was at the peak of the housing bubble, and further improvements are in the pipeline.
就连大米这种养活着世界二分之一人口的最基本的食物，也在去年的一年时间里价格翻了一番。
The price of rice - the food staple that feeds half the world's population - has more than doubled in the past year.
许多治疗学家和心理学家意识到有些病人(一些研究中约有二分之一)仅会来进行少于3次的会话。
Many therapists and psychologists are aware that some patients (some studies put the number as high as one in two) come in for less than 3 sessions.
工业约占两国能源消耗总和的二分之一，这项行动计划将有助于确保两国达到各自国内的节能目标。
Industry accounts for roughly half of the two countries' combined energy consumption and the Action Plan will help ensure both countries meet their domestic energy efficiency goals.
约有三分之一到二分之一的美国养蜂场陷入绝境；一些养蜂人甚至报告说，自己驯养的蜜蜂损失了近九成。
In the U.S. a third to half of all hives crashed; some beekeepers reported colony losses near 90 percent.
高等学校理论课程授课时间占总教学时间的二分之一以上，理论课程的教学效果直接影响人才的培养质量。
In colleges the teaching hours for theoretical courses take up more than half of the total ones, and the teaching effect of these courses directly influences the quality of qualified personnel.
但是没有任何一个产业可以对二分之一的潜在市场视而不见，香水制造商更加热衷于彻底击破男人含蓄的外壳。
Yet no industry can afford to neglect half its potential market, and perfume-makers are ever keen to crack the shell of male reticence.
通过调节世界几大河流的水，树木能够保证水质并为包括纽约市在内的近二分之一的世界最大都市提供用水。
By regulating water for the world's great rivers, trees secure water quality and supply water for close to half of the world's largest metropolises - including New York City.
今秋，有望生产出首批甲型H1N1疫苗。但是复杂的生产过程意味着，到今年年底，疫苗只够二分之一的人使用。
The first batches of vaccine are expected this autumn, but the complicated production process means there will only be enough for half the population by the end of this year.
在我们可获得的100种元素中，约四分之三可归入金属，而这其中约二分之一至少具有某种工业或商业用途。
Of the 100 elements available to us, about three-quarters can be classified as metals. And, about half of these are of at least some industrial or commercial use.
横跨11个时区及一又二分之一个大陆，俄罗斯是个极端之地，而占总领土百分之七十七的西伯利亚则是其中之最。
Spanning 11 time zones and one and a half continents, Russia is a place of extremes, and nowhere shows it better than Siberia, which makes up 77 percent of its total territory.
该报告指出，英国公司在在职培训上的支出自上世纪90年代以来下降了四分之一到二分之一，尽管近来有所回升。
It pointed out that UK company spending on in-work training had declined by between a quarter and a half since the 1990s, albeit with a bit of an uptick recently.
该报告指出，英国公司在在职培训上的支出自上世纪90年代以来下降了四分之一到二分之一，尽管近来有所回升。
It pointed out that UK company spending on in-work training had declined by between a quarter and a half since the 1990s, albeit with a bit of an uptick recently.
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