单词：high rate trickling filter
单词：high rate trickling filter 相关文章
The Cambodian government has ordered a limit on interest rates on small loans. The decision comes before local elections are set to take place in June. The 18 percent limit on the microfinance industry interest rates takes effect on April 1. Microfin
2017年VOA慢速英语(三)月
On the path that American children travel to adulthood, two institutions oversee the journey. The first is the one we hear a lot about: college. Some of you may remember the excitement that you felt when you first set off for college. Some of you may
英语语言学习
JEFFREY BROWN: On this final Friday before Election Day, there was word that jobs are on the increase, but so is unemployment. The numbers were seized upon by the presidential candidates as they began making closing arguments on an issue that's been
PBS访谈商业系列
By Jeff Swicord Howard County, Maryland 18 May 2006 watch School Drop Out report It is estimated between 15 and 30 percent of high school students in the U.S. will not graduate. And among some minorit
2006年VOA标准英语（五月）
白宫:美国经济显著复苏 WASHINGTON, Dec. 19 (Xinhua) -- U.S. economic recovery has registered notable achievements this year, but the nation is still confronted with challenges including high unemployment rate and sluggish wage growth, Jason
英语新闻
Good morning. From the CNN center here in Atlanta. I am Melissa Long. It's Thursday, June. Excuse me, July 2nd, July 2nd. Here is a look at some of the stories happening NOW IN THE NEWS. North Korea has reportedly test-fired 4 short-range missiles o
CNN2009年(七)月
By Cathy Majtenyi Nairobi 19 May 2008 Fuel efficient stoves and ceramic water purifiers are two examples of low-tech innovations that can help people in poor countries improve their quality of life. Because what is known as appropriate technology usu
VOA标准英语2008年（五月）
This is the VOA Special English Education Report. Less than sixty percent of students now entering four-year American colleges are likely to graduate. The completion rate is lower than for almost any other wealthy country, and worst for poor and min
VOA慢速英语2009年（九）月
Education Report - High Dropout Rate a Problem for South Africa This is the VOA Special English Education Report. Since the nineteen nineties, education has been required for all South Africans from age seven to fifteen. Last December, the government
2012年VOA慢速英语(三)月
Eurozone unemployment has hit a record 11-point-6 percent, raising fears of a continuing economic slowdown. As Jack Barton reports, the new data is prompting some analysts to speculate that the region may have already slipped into another recession.
英语新闻视频
BEIJING, March 7 (Xinhua) -- The Chinese currency Renminbi (人民币)( RMB), or the yuan, on Monday strengthened to an all-time high of 6.5651 per U.S. dollar, according to the China Foreign Exchange Trading System. Monday's central parity rate of t
英语新闻
(would可以看作是will的过去式,这两个词除了时态不相同外,在表达意思的许多方面是相近的。当然will 和would又都有一些各自不同的独特用法。) 1)用于第二人称疑问句,表示请求(在这种用法中wou
英文语法词汇
BEIJING, Mar. 18 (Xinhuanet) -- Urbanization will be a major feature of China's economic growth and continue to gain momentum, Liu He, Party chief of the Development Research Center of the State Council, said on Saturday. At the China Development For
英语新闻
More than three years after Hurricane Katrina caused massive damage in New Orleans, the city has less than half its pre-hurricane population and a crime rate higher than any other city in the nation. But, as VOA's Greg Flakus reports, citizens' grou
VOA标准英语2008年(十二月)
AS IT IS 2016-10-19 US High School Completion Rate Reaches All-Time High 美国高中毕业率创历史新高 President Barack Obama says the percentage of Americans completing high school rose to its highest level ever last year. The president said
2016年VOA慢速英语(十)月
The implication? 言下之意？ For a central bank to keep unemployment below the natural rate, it must keep outdoing itself, delivering inflation surprise after inflation surprise. 对于想把失业率维持在自然比率之下的央行来说，它
经济学人财经系列
Today the Governor of the Reserve Bank, Dr Alan Bollard, lowered the official cash rate (OCR) to 2.5%. This is down 50 points from the 12th March. It is also a huge change from July last year when the OCR was at a high point of 8.25%. In July 2007, t
新西兰英语
NEW YORK, Dec. 27 (Xinhua) -- New York City Mayor Michael Bloomberg announced on Tuesday that babies born in the city in 2009 have the record high life expectancy of 80.6 years, an increase of nearly three years since 2000. The rate of 80.6 years is
英语新闻
平分家务的夫妻更易离婚 Couples who share the housework are more likely to divorce, study finds Divorce rates are far higher among modern couples who share the housework than in those where the woman does the lions share of the chores, a No
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Law of Supply Demand: This is the founding block of economics. Whenever supply of something increases its price decreases and whenever supply decreases price increases. Thus, when you have excess production of corn, food prices decrease and vice vers
英文语法词汇