单词：neutron-gamma logging
单词：neutron-gamma logging 相关文章
Cheryl: So, Nick, you've worked as an environmental scientist in Australia. Nick: Yeah, I have. I worked in my hometown in Tasmania, and in Tasmania, there's many environmental issues, particularly involving logging of native forests there. Cheryl: O
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[00:04.52]24) Bush Meat Crisis: [00:11.21]The meat of wild forest animals, called bush meat, [00:16.09]has long been an important part of the diet of people in central and western Africa. [00:22.91]But hunters are killing too many of these animals. [
美国英语听力80篇
Good news has emerged this month for the world's forests. A new report from the London-based research group Chatham House says illegal logging is down by over 20 percent globally and by much more than that in some of the countries worst affected by t
VOA标准英语2010年(七)月
Billions of Dollars Lost Each Year to Illegal Logging The joint report, called Green Carbon / Black Trade, says between 30 and 100 billion dollars are lost each year to the illegal timber trade. Much of the loss is centered in key logging countries i
VOA标准英语2012年(十月)
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