European Shuttle Prototype Lands Safely 导读:欧洲航空防务与空间公司凤凰号”航天飞机模型在瑞典成功试飞。Sun, May 09, 2004STOCKHOLM, Sweden(瑞典首都-斯德哥尔摩) - An unmanned prototype o...
The World Population导读:当前地球上的人口迅速增长的压力是一个非常重要的全球性问题,作者用具体的数字说明了这一点。 A very important world problem--in fact, I think it may be the most important of a...
Flying(英汉对照)Men have always wanted to fly like birds. Birds can fly easily because they are light,but men's bodies are heavier. Men first went up ...
AMSTERDAM (Reuters) - Amsterdam police will use bicycles equipped with hidden GPS [= global positioning system] transmitters to bait thieves and track...
Team Claims Success With Rocket Launch 导读:一群业余火箭爱好者在美国内华达州沙漠成功发射一枚火箭。这个名叫民间太空探险队”的组织由今年65岁的迈克逊于1998发起,由教师、学生和真正的火箭科学家组成。这是他们的第三次试飞,前二次都失败了。距地面62...
Atoms are made of smaller particles(微粒), called electrons(电子), protons(质子), and neutrons(中子). An atom consists of a cloud of electrons surrounding a s...
The First Airplane FlightAmerican aviators Orville Wright and Wilbur Wright of Dayton, Ohio, are considered the fathers of the first successful pilote...
The Future of Windows 导读:继 Windows XP 之后,美国微软公司将推出下一代 windows 操作系统——Longhorn。在Longhorn软件中,微软公司计划推出一个具有增强型存储功能的新型文件系统。新的文件存储、读取或检索系统-- Wind...
Absent-minded? Memory glasses could be answerDecember 2, 2003It seems you always forget -- your reading glasses when you are rushing to work, your coa...
Hands Free Mouse导读:这种smartNAV品牌的非手操作鼠标”是通过转动头部来操作的。当用户采用它来控制系统时,要先把一个反射点(reflective dots)”帖在前额,然后把鼠标放在显示屏上方,并且微微移动自己的头就行了。可能对于新手来讲会难操作些,但是...