保加利亚国家空间研究所科学家说，破译外星人发送给他们的一组复杂符号的工作正在进行中。
Work on deciphering a complex set of symbols sent to them is underway, scientists from the country's Space Research Institute said.
来自英国埃克塞特大学和巴西国家空间研究所的研究人员的这份调查报告，依据的是卫星收集的有关森林砍伐和森林火灾数据。
The researchers - from the University of Exeter, UK, and Brazil's National Institute for Space research - based their findings on satellite-derived data on deforestation and forest fires.
据追踪消失森林的巴西国家空间研究所(Brazil ' s NationalInstitutefor SpaceResearch)说，在马托·格罗索，仅在2007年最后五个月，就有700平方英里雨林被砍光。
Here in Mato Grasso, 700 square miles of rain forest was stripped in the last five months of 2007 alone, according to Brazil's National Institute for Space Research, which tracks vanishing forests.
据追踪消失森林的巴西国家空间研究所(Brazil ' s NationalInstitutefor SpaceResearch)说，在马托·格罗索，仅在2007年最后五个月，就有700平方英里雨林被砍光。
Here in Mato Grasso, 700 square miles of rain forest was stripped in the last five months of 2007 alone, according to Brazil's National Institute for Space Research, which tracks vanishing forests.
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