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.
收市时美元下降了二分。
二分法可以被定义为对弱排序的狄德金分割。
A dichotomy may be defined as a Dedekind cut for a weak ordering.
好了，这就是二分查找的基本思想。
好，还有没有关于二分搜索的问题？
这种二分法是地球工程问题的核心。
Such dichotomies lie at the heart of the geoengineering problem.
五个麻雀不是卖二分银子吗？
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.
现在的问题是大部分现代科学中仍然充满着二分法。
The problem is that most modern science is still full of dichotomies.
我们怎样才能从这些毫无意义的二分法中挣脱出来？
目前为止，我们讨论了用相对简单的二分法评估站点。
Thus far we've discussed a fairly simple, binary approach to evaluating sites.
世界上在建的62个核电站，有三分之二分布在亚洲。
Of the 62 plants under construction in the world, two-thirds are in Asia.
我们怎么加上一个二分音符，从而正好代表了三个四分音符呢？
How can we get a half note that actually equals now three quarter notes?
作为一个西方科学家，尼斯贝特积极地抗拒二分法的趋势。
As a Western scientist, Nisbett actively resists the tendency to create dichotomies.
克里斯塔尔博士说，有效和有用之间的二分法最后可能变成假的。
In the end, says Dr Krystal, the dichotomy between the valid and the useful may turn out to be a false one.
五个麻雀，不是卖二分银子吗。但在神面前，一个也不忘记。
Are not five sparrows sold for two farthings, and not one of them is forgotten before God?
以后，每二星期左右增加四分之一或二分之一英里的距离。
After that, increase your distance a quarter or half mile every two weeks or so.
好的，在上次课程的最后，我也给你们看了一个二分查找的例子。
OK. At the end of the lecture last time, I also showed you an example of binary search.
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.
过去都是由汉旺工厂生产零部件，再运往德阳第二分厂进行组装。
In the past, the parts produced in Hanwang were shipped to Deyang where the second sub-factory of main turbine would assemble them.
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.
而现在，事情却迎来了奇妙的转机：近代的物理学家纷纷挑战古典的虚实二分论。
Now, in a fascinating twist, modern physics challenges the ancient dichotomy between substance and void.
而现在，事情却迎来了奇妙的转机：近代的物理学家纷纷挑战古典的虚实二分论。
Now, in a fascinating twist, modern physics challenges the ancient dichotomy between substance and void.
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