单词：high-energy gamma radiation
单词：high-energy gamma radiation 相关文章
Gamma Ray Observatory to Open Soon in Mexico 墨西哥建造伽马射线天文台即将开放 American and Mexican scientists have completed construction of the world's largest gamma ray observatory, situated high in central Mexicos Sierra Negra Moun
VOA标准英语2015年(四月)
But they never got there. The first disappeared into deep space. Another missed its target when its coordinates were confused. One NASA control center was working in metric, the other in feet and inch
火星生命
The source of Energy A summary of the physical and chemical nature of life must begin, not on the Earth, but in the Sun; in fact, at the Sun's very center. It is here that is to be found the source of the energy that the Sun constantly pours out into
英语小短文
Japan raised the severity of the Fukushima nuclear crisis from four to five on a seven-point scale of international nuclear events. Fears of radiation exposure has caused a run on salt products all across the region, including in China, where shopper
VOA标准英语2011年(三月)
China launches its first X-ray space telescope to observe black holes, pulsars and gamma-ray bursts, via a Long March-4B rocket from Jiuquan Satellite Launch Center in northwest China's Gobi Desert on June 15, 2017. [Photo: thepaper.cn] China launche
2017CRI中国国际广播电台
Hello, I am Melissa Long at the CNN Center here in Atlanta one o'clock in the afternoon Eastern time. And here's a look at what's happening NOW IN THE NEWS. Two hundred people are out of their homes in Cedar Rapids, Iowa after fears that flood water
商业报道2008年(六)月