The price of wheat has decreased by 15%.
小麦价格降低了15%。
The number of new students decreased from 210 to 160 this year.
今年新生人数从210减少到160。
Fatal road accidents have decreased in frequency over recent years.
近年来致命交通事故发生率已经下降。
The number of young people obtaining qualifications has remained static or decreased.
获得各种资格证书的年轻人的数量一直保持不变或者已经减少。
The combination of hot weather and decreased water supplies is hurting many industries.
天气炎热和供水减少这两个因素结合在一起对很多行业造成了损害。
Soil erosion decreased their crop yields.
土壤侵蚀降低了他们的作物产量。
Global measles deaths decreased by 78% during this period.
在此期间，全球麻疹死亡率下降了78%。
While Spain as a whole is heating up quickly, temperatures near the greenhouses have decreased.
尽管整个西班牙的气温迅速上升，但温室附近的气温却下降了。
Frank Arroyo said that his rental business has decreased by 90% since Citi Bike was rolled out last month.
弗兰克·阿罗约说，自从上个月花旗集团推出自行车以来，他的租赁业务已经减少了90%。
Others see a conspiracy of big businesses, causing decreased competition, increased fares and fewer choices.
其他人则认为这种大企业的阴谋导致竞争的减少、票价的上涨和选择的减少。
Owner Frank Arroyo said that his rental business has decreased by 90% since Citi Bike was rolled out last month.
业主弗兰克·阿罗约说，自从上个月花旗集团推出自行车以来，他的租赁业务已经减少了90%。
Between 1990 and 1998, road haulage increased by 19.4%, while during the same period rail haulage decreased by 43.5%.
在1990年到1998年间，公路运输增加了19.4%，而同期铁路货运量下降了43.5%。
Others point out that decreased sediment loads will likely lead to erosion of downstream riverbanks and the Mekong Delta.
其他人指出，泥沙负荷的减少可能会导致下游河岸和湄公河三角洲的侵蚀。
E-book sales are up 146 percent over last year, while hardback sales increased 6 percent and paperbacks decreased 8 percent.
电子书销量比去年增长了146%，而精装本销量增长了6%，平装本销量下降了8%。
That sounds pretty terrible, but the loss of life has decreased by a factor of 10 simply because we are getting better at warning people.
这听起来很可怕，但死亡人数已经减少了十倍，这仅仅是因为我们的预防工作做得越来越好了。
That sounds pretty terrible, but the loss of life has decreased by a factor of 10, simply because we are getting better at warning people.
这听起来很可怕，但是生命的损失已经减少了十分之一，这仅仅是因为我们在警告人们这一方面做得越来越好了。
Our present understanding of the Sun's luminosity holds that it should have progressively increased, not decreased, over the course of Earth's history.
当前我们对太阳光度的认知是：在地球的历史进程上，太阳光度应该是逐渐增加而不是减少的。
Evidence from other studies suggests that exclusion of fire results in markedly decreased plant-species richness, often with an increase in tree density.
来自其他研究的证据表明，没有火灾会导致植物物种丰富性显著减少，通常还会伴随着树木密度的增加。
In the twenty years that the Clean Air Act has mandated unleaded gas use in the United States, the lead accumulation worldwide has decreased significantly.
在《清洁空气法案》强制要求美国使用无铅气体的二十年里，铅在世界范围内的累积量显著下降。
In the past, every ten-percentage-point increase in cigarette prices in the country of Coponia has decreased per capita sales of cigarettes by four percent.
过去，科普尼亚的香烟价格每上涨10个百分点，人均香烟销量就会下降4%。
But since 1980, the amount of water consumed per person has actually decreased, thanks to a range of new technologies that help to conserve water in homes and industry.
但自1980年以来，在一系列帮助家庭和工业节水的新技术应用之后，人均用水量实际上有所下降。
Among student subjects who discussed meat ethics, meal purchases containing meat decreased from 52 to 45 percent—and this effect held steady for the study's duration of several weeks.
在参与讨论肉类伦理的学生受试人群中，肉食购买率从52%下降到45%——而且这一影响在研究持续的几周内保持稳定。
In a study published in the journal Ambio, scientists found that lead levels in soil in the North-eastern United States had decreased markedly since the introduction of unleaded gasoline.
在《人类环境杂志》上发表的一项研究称，科学家们发现，自引进无铅汽油以来，美国东北部土壤中的铅含量已经显著下降。
Smith counters that if you factor in the hidden cost of government corn subsidies, environment degradation, and decreased human health and animal welfare, grass-fed is the more cost-effective model.
史密斯反驳说，如果你把政府谷物补贴的隐藏成本、环境恶化以及人类健康和动物保护的减少考虑在内，那么草饲模式更具成本效益。
Since 1945 air forces have decreased in size.
1945年以来，空军的规模已经缩小。
The number of independent firms decreased from 198 to 96.
独立公司的数量从198家减到了96家。
This switch has decreased pollution in the country's major lakes and reservoirs and made drinking water safer for people.
这一转变已降低了中国主要湖泊和水库的污染，使人们的饮用水更加安全。
Our income has decreased and now we must practice a strict economy.
我们的收入减少了，现在我们必须厉行节约。
The overall number of bacteria on the surface mattered more, and this decreased over time after the initial introduction.
表面上的细菌总数更为重要，且在初次注入细菌后，细菌总数会随着时间推移而逐渐减少。
The rates of preoperative inexpectant disease finding decreased.
术前未预期疾病发现率有所降低。
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