单词：illuminating reflector
单词：illuminating reflector 相关文章
[00:06.40]illegitimate illiberal illicit illiteracy [00:14.88]adj.不合法的 adj.气量狭窄的 adj.违法的 n.文盲,缺乏教育 [00:23.35]illiterate ill-omened illuminate illuminating [00:32.54]adj.文盲的 adj.不吉利的 v.启发;照亮 ad
GRE词汇精选
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
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
坚持不懈，直到成功。 我们每天的奋斗就像对参天大树的一次砍击，头几刀可能了无痕迹。每一击看似微不足道，然而，累积起来，巨树终会倒下。这恰
四六级词汇与结构练习
Nobody likes to crash and burn. Some meltdowns, however, wise us up to new possibilities. Columnist Leigh Newman reveals the most illuminating. 1. The Everything's Fine Failure Let's say you lose the job you've had for the past 20 years. In fact, let
英语小短文
This is Scientific American's 60-Second Science. I'm Cynthia Graber. This will just take a minute. Thousands of medieval European books survive to this day. Authors and scribes carefully handwrote the works on parchments made of animal skins. But the
Scientific American(一)月
摘要：历史的过渡，我们的前辈也都有着各自的老师，看看他们是怎么来赞美自己的老师的？ We wish to show our gratitude and thanks with a small gift. Happy Teachers Day！我们送您一件小礼物，以表我们对您
英语小短文
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）
Science and Technolgy 科技 What dinosaurs ate 恐龙吃什么 The belly of the beast 腹中发现 A chance discovery from China suggests some dinosaurs lived in trees 在中国的一次偶然发现暗示着有些恐龙在树上生活 WHAT dinosaurs
经济学人商业系列
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）
Dear Tasha, You are the very air that I breathe, the very love that I need, my heart, my soul, my everything. The sweetest of my memories come when I think of you. I remember the very first day that I saw you, I could not believe I was looking at a h
英语作文
加拿大研究人员开发雷达隐身衣 TORONTO, Nov. 25 (Xinhua) --- Witches and magic may not exist, but Harry Potter's invisibility cloak certainly does. A pair of researchers in the Canadian city of Toronto have developed their very own cloaki
英语新闻
Science and technology 科学技术 What dinosaurs ate 恐龙吃什么 The belly of the beast 腹中发现 A chance discovery from China suggests some dinosaurs lived in trees 在中国的一次偶然发现暗示着有些恐龙在树上生活 WHAT di
经济学人科技系列
Books and Artts; Book review; 文艺；书评； Conundrums of science; 科学谜题； What is it for? 科学究竟有什么用？ Scinece in the 20th century and beyond; by Jon Agar; 20世纪后科学；乔艾格著； SCIENCE works with problems b
经济学人综合
I don't think I need to tell you that reading is good for yougreat for you. The more you read, the more you learn. The more you learn, the greater the grasp you have on how the world ticks. Reading expands your life perspective and fine tunes your li
英语美文
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
Samuelson's paper was seminal but not wholly original. 萨缪尔森的论文是开创性的，但不是完全原创的。 A similar model was described in 1947 by Maurice Allais, then working in a bureau of mining statistics in Paris, 1947年，类似的
经济学人财经系列