标签：红外探测器 相关文章
Word had quickly got around. The French and British are sending reinforcement. Some go in small groups. This time they are around two hundred. At time of this week, there have been many more. After two days the British government will give a soldier
英伦广角
By Paul Sisco Washington, D.C. 03 January 2007 watch Screening report Ever since the September 11th terrorist attacks on the United States, the need for airport security has led to a steady increase in the use and improvement of technology. One new
2007年VOA标准英语（一月）
Ten Years of Roving Around Mars 十年的火星游荡 WASHINGTON The U.S. space agency, NASA, is celebrating the 10th anniversary of its Mars Exploration Rover Mission (MER), which began with the arrival of its robotic vehicles Spirit and Opportunity
VOA标准英语2014年(一月)
Dawn Spacecraft Nears Rendezvous With Dwarf Planet Ceres 黎明号探测器成功将接近谷神星轨道 LOS ANGELES NASAs Dawn spacecraft is set to reach the dwarf planet Ceres in March and begin gathering clues about whether the icy body may have
VOA标准英语2015年(一月)
The most powerful atom smasher ever built could make some bizarre discoveries, such as new forces of nature or even extra dimensions of space, after it's switched on in August. The Large Hadron Collider, or LHC, basically consists of a ring of superc
自然百科2008年
T-Rex is impressive and it's powerful, but compare to Ankylosaurus, it is relatively lightly built. Protective plates made of bone and cartilage covered this lumbering creature from head to tail. Light, but extremely strong, the hide of Ankylosaurus
探索与发现2013年
By Paul Sisco Washington, DC 19 May 2006 watch Anthrax Detection report Anthrax Space age technology is playing a role in the war on terror. Paul Sisco reports on a device developed by the U.S. space
2006年VOA标准英语（五月）
A Deep Hole in the Pole AMANDA望远镜（新华社电讯稿用的是南极介子和高能中微子探测器阵列名字），被埋藏在南极冰块下1.5公里深处。路透社2001年3月21日报道，这台望远镜首次探测到中微子。中微
英语听力文摘 English Digest