女生辍学率下降了一半。
美国国家收入也下降了一半。
而自民党的得票率则下降了一半，刚刚超过5%。
而自民党的得票率则下降了一半，刚刚超过5%。
瑞士信贷的利润也下降了一半，而且他也宣布裁员。
Profit at Credit Suisse also slumped, by half, and it too announced lay-offs.
从3月开始，民调发现自民党的支持率几乎下降了一半。
His party has lost nearly half of its support in opinion polls since May.
世界最大的化学公司巴斯夫发现在销量和价格骤降下盈利下降了一半。
BASF, the world's biggest chemical company, saw its profits drop by half as both volumes and prices slumped.
例如，1992年以来，服装和鞋类的生产几乎下降了一半。
Production of clothing and footwear, for instance, has almost halved since 1992.
拉丁美洲和前苏联改进程度最高，这些地区的儿童死亡率下降了一半多。
The biggest improvements are in Latin America and the former Soviet Union, where mortality rates have fallen by more than half.
1979年，非洲有130万头大象；10年后，大象数量下降了一半。
In 1979, there were about a million three hundred thousand elephants in Africa; ten years later, the population had fallen by half.
2009年和2010年火情稀少，支出下降了一半，为总预算的41%。
In 2009 and 2010 — two slow fire seasons when expenditures dropped by half — that fraction fell to 41%.
这些数据表明了同一时期的犯罪行为下降了一半，从2500降到1200。
This represents a fall of more than half over the same period, from 2, 500 offences to 1, 200.
在图11中，整体的平均响应时间下降了一半以上，并且标准偏差低于1秒。
In Figure 11, the overall average response time dropped by slightly more then half, with the standard deviation well under 1 second.
美国大约有50万妇女在服用他莫昔芬，这使得乳腺癌的复发率下降了一半。
About 500, 000 women in the United States take tamoxifen, which cuts in half the chances of a breast cancer recurrence.
保时捷(Porsche AG)当月的销量较一年前下降了一半，只有1,427辆。
Porsche AG's sales fell by half last month from a year earlier, to 1,427 vehicles.
越是昂贵的手表，收到的打击越大：比如说，今年七月铂金表的销量比去年同期下降了一半。
The most expensive watches have been hit especially hard: in September sales of platinum watches, for instance, were down by nearly half compared with last year.
我发现当股市在1933年触底时，报刊、杂志和书籍的出版量也随之下降了一半。
I found that in 1933, when the stock market hit rock bottom, magazine publishing, newspaper publishing and book publishing all were cut in half.
在Mamirauá R保护区，马丁发现在过去7年里，亚马逊河豚数量已经下降了一半。
At the Mamirauá Reserve, Martin's study population has declined by half over the past seven years.
去年印度的糖产量几乎下降了一半，由世界第二大的糖料生产国，变为世界最大的糖料进口国。
India's sugar production fell by almost half last year, turning the country from the second-biggest producer to the biggest importer.
据说，这于2008年的大蒜价格很低、大蒜种植预留土地总面积下降了一半有关。
The amount of land set aside for garlic-planting is said to have fallen by half in 2008 in response to low prices.
据JPMorgan收集的数据，上海、深圳、广州、重庆和成都六月的住宅销售比去年同期下降了一半。
Home sales dropped by half in June from a year earlier in Shanghai, Shenzhen, Guangzhou, Chongqing and Chengdu, according to data compiled by jpmorgan.
世界卫生组织表示，在过去的十年中，非洲11个受影响最严重的国家中疟疾死亡率下降了一半。
The agency said malaria deaths in 11 of the worst-affected countries in Africa had halved over the past decade.
Bloom公司的成功在很大程度上归功于成功的销售活动以及联邦及州补贴，补贴使设备价格下降了一半。
Bloom's success seems to be due in large part to a successful marketing campaign and federal and state subsidies that cut the costs of its systems in half.
我们曾经是韩国最大的进口国，现在我们位居第四，在过去10年，我们在韩国进口中所占的份额下降了一半。
We used to be the top exporter to South Korea; now we are in fourth place and have seen our share of Korea's imports drop in half over the last decade.
梅琳达：这是我们最喜欢的一张图表，它显示自1990年起儿童每年死亡人数已经下降了一半。 1。
Melinda: : Here's one of our favorite charts. It shows that the number of childhood deaths per year has been cut in half since 1990.
梅琳达：这是我们最喜欢的一张图表，它显示自1990年起儿童每年死亡人数已经下降了一半。 1。
Melinda: : Here's one of our favorite charts. It shows that the number of childhood deaths per year has been cut in half since 1990.
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