With more countries making great strides in space exploration the more likehood that we as a species will eventually colonize and polute the rest of the solar system!
随着越来越多国家在太空开发上大踏步前进，我们人类最终殖民太阳系的可能性就越大！
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In this paper, we used the concepts of the maximum likehood estimate and the direction maximum likehood estimate to give two kinds of estimates for two-parameter exponential distribution.