即使在气团远离其原来的生成源地以后，它们仍然可根据其属性而被识别出来。
Even after air masses move far from their original breeding ground source, they may still be recognized by their characteristics.
虽然这道强烈的信号从来没有被验明正身，但天文学家发现它在许多属性上更像是我们的世界中的，最终来源地可能是地球。
Although this strong signal was never positively identified, astronomers have identified in it many attributes characteristic of a more mundane and ultimately terrestrial origin.
本文提出了“客源地社会经济属性决定其出游力大小”的假说，并以中国国内旅游出游力为例进行实证分析。
The paper puts forward a hypothesis that economic attribute in tourism-generating regions determines its travel capability, and makes demonstrative analysis of Chinas domestic travel capability.
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