Horsehead Nebula: New stars have already formed inside part of it.马头星云: 新的?星已经在其内部形成了.Directly below Alnitak, a close inspection will reveal the Horsehead Nebula.经过仔细查看就可以发现紧挨着参宿一的下方就是马头星云.Light takes about 1500 years to...
Mary was appalled by the dinginess of the house.玛丽被那肮脏的房子吓坏了.Italian manhood was appalled.意大利男人吓坏了。We are all, of course, appalled that such items are still on sale in the shops.我们当然对这些物品竟然还在商店里出售表示震惊。He felt appalled by...
Analcite mineral was found rock specimen of cretaceous system in the Ordos Basin via using micro - analysis.通过微观分析,在鄂尔多斯盆地白垩系钻孔岩样中发现方沸石类矿物.Porous analcite balls are prepared by analcite rocks andand then are used to remo...
For an initial service, a 10 megahertz-wide band of frequencies will be needed.初始服务需要10兆赫宽的频带。If the frequencies are low, this approach cannot be used.若频率很低时, 这种方法就不能使用.The electromagnetic spectrum covers an enormous ran...
Mr Palmer was a retired maths master.帕尔默先生是一名退休的数学教师。Palmer kept hammering away at his report.帕尔默一直在埋头写报告。Palmer gave a sad shake of his head.帕尔默难过地摇了摇头。...