单词：BAN estimator
单词：BAN estimator 相关文章
by Jason Marshall Sometimes statistics* seems magical. Of course, there isnt really anything magical going onbut the fact that statistical methods can be used to pull useful information out of a hatful of messy data is, at a minimum, remarkable. And,
数学英语
By Al Pessin Pentagon 18 April 2007 A U.S. commander in eastern Afghanistan says the expected Taleban spring offensive has not materialized, partly because of increased operations by U.S. and NATO forces. VOA's Al Pessin reports from the Pentagon. Br
2007年VOA标准英语（四月）
By Benjamin Sand Islamabad 27 February 2007 Vice President Dick Cheney escaped any injury following a suicide bomb attack outside the main U.S. military base in Afghanistan that killed at least 12 people, and the number of dead could go higher. The
2007年VOA标准英语（二月）
By Al Pessin Pentagon 25 July 2007 The Taleban leader who killed himself to avoid capture by Pakistani security forces Tuesday was released from the U.S. detention center at Guantanamo Bay three years ago. Pentagon officials say they do their best no
2007年VOA标准英语（七月）
By Phil Mercer Sydney 23 May 2007 The first Guantanamo Bay detainee to be convicted of terrorism is back in his home country, Australia. David Hicks, who had joined militant groups in Kosovo, Kashmir and Afghanistan, pleaded guilty to supporting extr
2007年VOA标准英语（五月）
By Benjamin Sand Islamabad 24 May 2006 Afghan civilans, who were injured by the U.S. airstrike on Monday, rest at a local hospital in Kandahar, May 24, 2006 U.S. Military officials in Afghanistan say
2006年VOA标准英语（五月）
SCOTT SIMON, HOST: President Trump has revoked a blanket ban on transgender military service he tried to impose last summer. A new detailed ban released late last night has the support of some religious conservatives but has renewed fury among advoca
2018年NPR美国国家公共电台3月
By Dan Robinson Washington 12 September 2006 U.S. officials say security problems in Afghanistan, amid escalating attacks by Taleban forces, continue to hamper efforts to rebuild and stabilize the country. The officials testified Tuesday before a co
2006年VOA标准英语（九月）
By Benjamin Sand Kabul 16 March 2006 Fugitive Taleban leader Mullah Mohammad Omar has vowed stepped up violence against U.S.-led forces in Afghanistan. Coalition forces say they are prepared. The rare
2006年VOA标准英语（三月）
By Jeff Swicord Washington, DC 02 August 2006 watch Afghanistan Drug report The North Atlantic Treaty Organization has taken over command of international troops in southern Afghanistan from the U.S.-led coalition. It will now lead the fight against
2006年VOA标准英语（八月）
By Scott Stearns White House 07 September 2006 President Bush says Taleban fighters will not retake power in Afghanistan, where militants have staged a series of offensives and targeted killings recently that have destabilized much of the country. T
2006年VOA标准英语（九月）
By Benjamin Sand Islamabad 17 April 2007 The United Nations has come under attack in Afghanistan. Officials there say a roadside bomb ripped through a U.N. vehicle, killing five people. From Islamabad, VOA correspondent Benjamin Sand reports. Afghan
2007年VOA标准英语（四月）
By Benjamin Sand Kabul 11 August 2007 Taleban insurgents say they have released two of the 21 remaining South Korean hostages they kidnapped more than three weeks ago. The word came as the insurgents completed a second day of face-to-face talks with
2007年VOA标准英语（八月）
With many people in Zimbabwe at the point of starvation, a government ban on field work by relief organizations is putting them at further risk. As Peta Thornycroft reports for VOA, even if the restrictions are lifted now, humanitarian groups say it
VOA标准英语2008年（八月）
By Benjamin Sand Islamabad 01 June 2007 Afghan police are under attack as Taleban insurgents target the country's vulnerable security force. From Islamabad, VOA correspondent Benjamin Sand says militants have mounted a series of attacks on local poli
2007年VOA标准英语（六月）
By Benjamin Sand Kabul 07 August 2007 Desperate efforts to free the remaining 21 South Korean hostages continue in Afghanistan. Taleban officials say they are still seeking a possible prisoner exchange a day after Afghan President Hamid Karzai ruled
2007年VOA标准英语（八月）
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
英语口译
Zhao Qianyi, 18, a freshman at Jilin University, feels lost without his computer, on which he connects with family and friends, watches videos and even does homework. 作为一名来自吉林大学的大一新生，18岁的赵谦一（音译）因为不
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