您要查找的是不是：
- Presented a careful argument for extraterrestrial life. 提出关于地球外生命的详细论证
- extraterrestrial life system 外层空间生命系统
- Presented a careful argumentfor extraterrestrial life. 提出关于地球外生命的详细论证。
- Extraterrestrial life has often become the subject of science fiction films. 科幻片经常以外星生命为主题。
- And many more college graduates (6l percent) believe in extraterrestrial life than do those who received no education past high school (46 percent). 相信地球外生命存在的大学毕业生(61%25)比没受过高中以上教育的人(46%25)要多得多。
- IF EXTRATERRESTRIAL life were to exist, it would need a planet on which to evolve. 如果真有外星人,那他们需要有个可以在上面演化的行星。
- One theory about the existence of extraterrestrial life rests on the presence of carbon compounds in meteorites. 地球外存在生命的理论是根据陨星上存在碳化合物这一事实得出的。
- He theorized that there are possible answers to whether there is extraterrestrial life. 另外他还推理了对于是否存在外星生命的可能回答。
- The discovery of extrasolar planets is closely related to the search of extraterrestrial life. 太阳系外行星系统的发现与地外生命搜索研究是密不可分的。
- Another exciting possibility is that Titan might be a cauldron for extraterrestrial life. 另一个让人兴奋的可能事件是提坦可能是外星生物的大锅炉。
- Scientists have broadened search for extraterrestrial life on other planets in recent years. 科学家们近年来已经扩大在其他星球上搜寻外星生命。
- The branch of biology that deals with the search for extraterrestrial life and the effects of extraterrestrial surroundings on living organisms. 宇宙生物学生物学的分支，寻找地球外生命并研究地外环境对活的有机体之影响的科学
- Another useful ecological unit that cuts across this hierarchical classification is the life system. 另一个横贯这些等级分类有用的生态单元就是生命系统。
- The planet, believed to be either rocky like Earth or covered with oceans, is seen as a promising target in the search for extraterrestrial life. 天文学家认为这颗行星可能象地球一样多山或者被海洋覆盖，是搜寻外星人的理想目的地。
- Detecting a magnetic field surrounding an Earth-like exoplanet would prove a promising sign for finding extraterrestrial life. 此外，使射电望远镜远离地球上用于通信的短波长无线电波的喧扰，可以让天体物理学家们以前所未有的细致度观测早期宇宙。
- They’re hoping their research will lead to a shift in what they call the “geocentric mindset” of our attempts to detect extraterrestrial life. 他们希望这项研究能够对人类在搜寻外星生物时所持的所谓“地球中心主义”观点带来革命性的颠覆。
- The life system is composed of a subject population and its effective environment. 生命系统由主体种群和它的有效环境所组成。
- Even if the first extraterrestrial life to be identified were primitive rather than intelligent, experts said, the discovery would be a major milestone in human history. 即使第一个地外生命被证实是原始而不是聪明的，专家说，这个发现是人类历史上一个重要的里程碑。
- Cell is a component unit of organism which presents the complexity and factuality of life system. 摘要细胞是生命体的基本组成单元，是一个复杂的、能真实反映生物体系的活体。
- To some, debating the implications of discovering extraterrestrial life is premature at best, because -- all UFO "sightings" aside -- none has ever been found. 对一些人来说，充其量，辩论发现地外的生命的暗示是不成熟的，因为，外界对UFO情景的传说从没有被发现过。
