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Scholars warn that Antarctica's political drift could blur the distinction between military and civilian activities long before the continent's treaties come up for renegotiation, especially in parts of Antarctica that are ideal for intercepting ( ' , 拦截) signals from satellites or retasking satellite systems, potentially enhancing global electronic intelligence operations.
出自-2016年12月阅读原文
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Private spaceflight could lie within reach of rich civilians in a few years.
出自-2013年12月阅读原文
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Civilian aviation is being disrupted, not by the age-old desires for speed, romanticism and glamour, but by the pressing need to respond to a changing climate.
2019年6月六级真题(第二套)阅读 Section A