标题: 这题的主结构是怎么样的，谁帮忙分析下 [打印本页] 作者: 斯巴达 时间: 2010-2-24 16:00 标题: 这题的主结构是怎么样的，谁帮忙分析下 The spectacular disintegration of a comet last year in full view of ground- and space-based telescopes provided new insights into how comets form and may thus force a rethinking of the role of comets in the delivery of organic compounds to the evolving Earth.作者: jinghe 时间: 2010-2-27 19:50 …… provided new insights …… and may thus forcea rethinking ……