单词：defocused reflector
单词：defocused reflector 相关文章
You say you have goals. Can you show them to me? Are they written down with clear deadlines? Or are your goals vague. Things that you hope to do someday. 你说自己有目标。能把目标给我看看吗？有没有给目标设定明确的截止期限
励志英语
The President has made the decision not to release any of the photograghs of the photographs that deceased Osama bin Laden. And there is no doubt that Osama bin Laden is dead. Certainly there is no doubt among al-Qaeda members that he is dead. And so
CNN2011年(五)月
In 1970, the Soviet Union put a laser reflector on the moon, carried by a rover. A few months later, it disappeared. Some speculated that the rover had fallen into a crater or parked in such a way as to render the reflector inaccessible. Now after 40
Scientific American(四)月
(Brad 求职四处碰壁，一直不看好他的父亲让他来自己的工地打工，劝说他放弃当老师，被Brad拒绝) Dad: Im guessing you never heard from that school. Brad: [仍然乐观] No, not yet. Theyre still interviewing. Im not wo
跟着美剧练发音
据《科学》杂志报道，苏联的月球车40年前在月球表面留下了激光反射器，虽然经过多年的搜寻科学家始终没有发现激光反射器的踪迹。 4月22日，一组物理学家终于发现了来自反射器的微弱闪
60秒科学
Gain - This is an increase in signal power, due to a boost from an electronic device. Garbage - These are unwanted characters that appear because of either incorrect settings or noise. Gate - These ar
电信英语
Chinese medicine has been getting some props lately. A couple of recent studies have demonstrated the medical potential of traditional treatments. Part of the challenge of AIDS is that immune cells lose their ability to divide and thus their disease
Scientific American(十二)月
1. Television - just stop it. Besides the occasional news, a movie every once in a while, some documentaries, I found it to be a huge time-waster. 电视--直接忽略。我发现，除了偶尔看看新闻、电影和纪录片，电视对我来说纯粹
励志英语
The Five-hundred-meter wide Aperture Spherical Telescope, or FAST, is now operational in the mountains of Guizhou in southwest China. FAST has been designed to help Chinese researchers better understand our universe, as well as probe the cosmos for e
2016CRI中国国际广播电台
Bart's upstairs neighbor was driving him nuts. He made all kinds of strange noises at all kinds of strange hours. If I tell my neighbor he's noisy, he won't believe me, Bart thought. He'll believe me only if he lives downstairs and hears himself upst
英文短篇故事（纽约）
By Paul Sisco Washington 14 November 2007 At the McDonald Observatory in western Texas, a unique space program has been quietly underway for more than 30 years. It is called the Lunar Laser Ranging Program. VOA's Paul Sisco has more. Research scienti
VOA常速英语2007年（十一月）
MADRID, May 9 (Xinhua) -- China's top tennis player Li Na was focused on the job in hand after defeating Angelique Kerber in the last 16 of the Madrid Open tournament on Wednesday. Li's win over the player who had beaten her in Indian Wells earlier i
英语新闻
让工作富有成效的好习惯 Planning Establish a routine of planning your week and your day． This will allow you to have your most productive week all the time． Start yourday an extra 10 minutes early to do this planning everyday． Write d
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下面这篇雅思作文是5段式写法，而且属于一边倒，并非两边都讨论，思路很清晰，语言也很简练并且很值得模仿！大家完全可以按照这个模板进行练习！ ［雅思大作文题目］ People attend colle
雅思英语
Rafael Nadal, the top seed at the Shanghai Masters played on Tuesday at the event, but to everyone's surprise he lost the match. Yunfeng reports from Shanghai. Yes, Nadal has lost again, not in the singles match but in the doubles. With his countryma
世界各地新闻集锦
The purpose of effective goal setting is to achieve what you want in life in a successful, focused and decisive manner by taking the right actions in a lesser time frame. Who doesn't want to achieve more in less time, yet many of us abandon our goals
英语美文
The Club Is Alive The club is alive with the sound of music Whos that girl in the spotlight oo coz she turns me on Bring it back back baby baby like that Came to the club not lookin for love Out with my boys just havin some fun Baby then I saw you Al
好听的英文歌曲
Speaking easySpeaking in public is most people s least favorite thing. the reason is that we re all afraid of making fools of ourselves. The more important the speech, the more frightened we become. But stop biting your finger-nails. Public speaking
英语美文
How to Rock Your Mornings (Every Day) Youve had days which got off to a fantastic start. You were focused, alert, energetic, and you stormed through a ton of work. By lunch time, you were feeling great: motivated to carry on and make great gains in t
阅读空间
The construction of the project was started in 2011 with an investment of 1.2-billion yuan, or about 180 million US dollars. The 500 metre Aperture Spherical Telescope, or FAST, is the size of 30 football fields. It's located in a hollow that was for
2016CRI中国国际广播电台