单词：allogyric birefrigence
单词：allogyric birefrigence 相关文章
By Gary Thomas Washington 27 February 2007 The top U.S. intelligence officer says Pakistan could make more energetic anti-terrorist efforts along the Afghan border. But, he adds, Pakistan's military ruler has political concerns in an election year.
2007年VOA标准英语（二月）
By Deborah Tate Capitol Hill 02 February 2006 The U.S. National Director of Intelligence says the al-Qaida terrorist network remains the top concern of the intelligence community, followed closely by
2006年VOA标准英语（二月）
Hunting the LRA in Central Africa A new report says military operations to hunt down LRA rebels in Central Africa face many logistical and intelligence-gathering challenges. In the meantime, the rebels continue to attack civilians. About 1500 Ugandan
VOA标准英语2012年(十一月)
A new organization aims to sharply improve the quality of African laboratories, allowing health professionals to better track, treat and test for diseases. It's called the African Society for Laboratory Medicine, or ASLM. A new organization aims to s
VOA标准英语2011年(三月)
By Catherine Maddux Washington 18 January 2006 African leaders gather next week for an African Union summit amid a major setback in the fledgling organization's peacekeeping mission in Sudan's western
2006年VOA标准英语（一月）
U.S. President Barack Obama's top counter-terrorism advisor says a threat from an al-Qaida affiliate led to the closure of the American embassy in Yemen. This same group has been linked to the attempted Christmas Day bombing of a U.S. airliner. John
VOA标准英语2010年(一月)