单词：pyrolysis rate
单词：pyrolysis rate 相关文章
What is Your Recovery Rate ? By Graham Harris What is your recovery rate? How long does it take you to recover from actions and behaviors that upset you? Minutes? Hours? Days? Weeks? The longer it takes you to recover, the more influence that inciden
王强英语美文
The Federal Reserve, the U.S. central bank, on Wednesday cut short-term interest rates in an effort to boost the slowing economy. VOA's Barry Wood reports it was the eighth cut in the overnight federal funds rate in the past year. United States Fede
VOA标准英语2008年（十月）
This is Scientific Americans 60-Second Science. Im Steve Mirsky. Got a minute? To keep your car purring, you have to change the oil. Such maintenance produces eight billion gallons of used motor oil annually. Some waste oil does get re-refined to pro
Scientific American(三)月
By Al Pessin Pentagon 29 May 2008 The U.S. Army reported Thursday that the suicide rate among its soldiers continued to rise last year, and is now nearly double the rate recorded before the invasion of Iraq. But they say last year's increase was not
VOA标准英语2008年（五月）
[00:00.00]What's the interest rate for the savings account? [00:01.93]储蓄存款的利率是多少？ [00:03.85]Interest is calculated at the rate of 0.8% per annum at present. [00:06.61]目前每年的利率是按０.８％计算的。 [00:09.36]Y
英语杂谈
WASHINGTON, Sept. 16 (Xinhua) -- U.S. poverty（贫困） rate climbed to 14.3 percent in 2009, the highest level since 1994, as households' incomes were squeezed by the deepest recession（衰退） since the 1930s and high unemployment（失业率 ）
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