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.
粮食是世界上二分之一的人口赖以生存的食物。
The diet of half of the world's population is based on rice.
而这一比例在未参加产前培训的妈妈中为二分之一。
This compared with half of mothers who did not attend classes.
它说的是二分之一kt每自由度，等于高温极限时的能量。
And what it says is one half kT per degree of freedom equals energy in the high t limit.
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.
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.
如果这一趋势继续下去，据估计二分之一的应届毕业生不会有一份工作。
If the trend continues, it's estimated one out of two new graduates in this class will not have a job lined up.
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.
事实上，实验期间家庭办公的雇员退出的比率是那些乘车上下班人员的二分之一。
In fact the quit rate among home-office workers during the experiment was about one-half of what it was for those making the commute.
根据人类进化学家，人类早期时候的婴儿生出来是有二分之一的可能性是倒着的。
According to evolutionary anthropologists, babies of the earliest humans had a fifty-fifty chance of coming out facing backwards.
最新调查发现，巴格达的这一比例高达二分之一(两个人中有一人有家人遇难)。
Their latest survey suggests that in Baghdad that number is as high as one in two.
000立方光年的气体被加热到1000万华氏度——约太阳核心温度的二分之一。
000 cubic light years of gas have been heated to a temperature of over 10 million degrees Farenheit here — about half the temperature of the Sun's core.
如果任何一个人租借公牛，并且挖出了它的眼睛，他将付这个所有者牛价的二分之一。
If anyone hire an ox, and put out its eyes, he shall pay the owner one-half of its value.
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.
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.
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.
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.
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.
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