单词：color spectrum
单词：color spectrum 相关文章
The Color Of The Universe 宇宙的颜色 When we look up into the night sky it seems black, but scientists have observed something different. In this Moment of Science we discuss the color of the universe. 当我们仰望夜空的时候，它看上去
初学者听力文摘精选
SCIENCE REPORT – March 21, 2002: Color of the Universe By George Grow This is the VOA Special English SCIENCE REPORT. What is the color of the universe? Astronomers had not answered this question un
科技之光
Want to create a high performance environment? My guess is that you already know many of the characteristics listed below. But, you may need some incentive to motivate you to create that type of space. In high performance environments you * are comfo
英语小短文
Spectrum 光谱 Do you know what a spectrum is? 你知道光谱是什么吗？ It is a series of colored lights. 它是复色光。 How can we see a spectrum? 我们怎么能看到光谱？ When you see sunlight through a prism, you may see a rainbow
与美国小学生一起学英文第11册
Creating Colors There are two ways to create colors in a photograph. One method, called additive, starts with three basic colors and adds them together to produce some other colors. The second method, called subtractive, starts with white light (a mi
双语有声阅读
How Eggs Get Their Color 鸟蛋颜色的形成 Depending on the species, bird eggs can be any color rang ing from chickens plain white to a robins blue, streaked , spotted, bright, pale, and anything in between. We take a look at some of the reasons
英语听力文摘 English Digest