区间估计

CNN 2010-06-13

This is bigger than the Super Bowl. This is actually bigger than the Olympics. This is really a big deal for Africa, but its also a big deal for the United States. Because you know they really have something to prove. Much of the world sees them real

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CNN2010年(六)月

2007年VOA标准英语-India Lowers Estimate of HIV, AIDS Infections

By Steve Herman New Delhi 17 August 2007 India was once thought to have the world's highest number of people with HIV -- the virus that causes AIDS. But the estimate was recently reduced by more than half -- down to 2.5 million from 5.7 million. The

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2007年VOA标准英语（八月）

2007年VOA标准英语-Intelligence Estimate Says al-Qaida Intends to

By Gary Thomas Washington 17 July 2007 A new U.S. intelligence estimate says al-Qaida remains determined to mount attacks on major targets in the United States, especially if it can acquire weapons of mass destruction. VOA correspondent Gary Thomas r

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2007年VOA标准英语（七月）

SCIENCE IN THE NEWS - American Scientists Estimate Future We

SCIENCE IN THE NEWS - American Scientists Estimate Future Weather Conditions in Africa By Jill Moss and Amanda Scott Broadcast: Tuesday, June 07, 2005 (MUSIC) VOICE ONE: This is SCIENCE IN THE NEWS, i

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科技之光

商业书信的十点注意事项

1．切忌主客不分或模糊。例子： Deciding to rescind the earlier estimate， our report was updated to include $40，000 for new equipment．应改为 Deciding to rescind our earlier estimate， we have updated our report to include $40，

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英语作文

翻译考试词汇必备：统计学名词词汇（二）

left-skewed 左偏 negative-skewed 负偏 right-skewed 右偏 positive-skewed 正偏 contingency table 列联表 sampling distribution (of a statistic)(某个统计量的) 抽样分布point estimate 点估计值 point estimator 点估计式 unbiased

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air force cadet screening test

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