12. But observations that an amateur bird-watcher can make are really limitless.
但是一个业余观鸟者所能做的观察是无限的。
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13. I'm so glad the classroom observations are a requirement for the education program.
课堂观察成为了教育项目的一个要求，我为此很高兴。
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14. Unlike meteorologists, however, they cannot rely on observations made in their own lifetimes.
然而，与气象学家不同的是，他们不能依靠自己有生之年所做的观察。
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15. Her observations helped dismiss the popular belief that insects spontaneously emerged from mud.
她的观察有助于驳斥一种普遍观点，即昆虫会从泥土中自然出现。
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16. Detectives can gather together lots of other observations which may all point towards the suspect.
侦探们可以收集到许多其他的观察结果，这些都可能指向嫌疑人。
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17. Some of their earliest observations have to do with the level of self-control the youngsters displayed.
他们最早观察到的一些现象与儿童表现出来的自我控制程度有关。
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18. Observations indicate that gas clouds in galaxy M87 are whirling unusually fast about the galaxy's center.
观测表明M87星系的气体云围绕星系中心旋转的速度异常快。
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19. Six years of observations revealed the presence of five planets between 13 and 25 times the mass of Earth.
经过长达六年的观测，发现有五颗行星的质量是地球的13-25倍。
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20. He is a good observer, accurate, patient and objective and applies logical thought to the observations he makes.
他是一个很好的观察者，准确、耐心和客观，并运用逻辑思维进行观察。
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21. Similar observations have been made on other Neanderthal skeletons such as La Ferrassie I and Neanderthal itself.
在其他尼安德特人的骨骼上也曾进行过类似的观察，比如费拉西一世和尼安德特人本身。
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22. According to observations of young sunlike stars, our Sun may have lost as much as six percent of its initial mass.
根据对年轻的类太阳恒星的观察，我们的太阳可能已经失去了它最初质量的6%。
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23. Observations of the Arctic reveal that the Arctic Ocean is covered by less ice each summer than the previous summer.
对北极的观察显示，每个夏天北冰洋上面覆盖的冰川都比前一个夏天的要少。
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24. Ancient agricultural civilizations observed the stars and then used those observations to keep track of the seasons.
古代农业文明观察星星并用来观测记录季节变化。
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25. The accuracy of scientific observations and calculations is always at the mercy of the scientist's timekeeping methods.
科学观测和计算的准确性，总是受制于科学家的计时方法。
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26. The results of her decades' worth of careful observations were detailed paintings and descriptions of European insects.
对欧洲昆虫进行的详尽绘画和描述，是她数十年细心观察的成果。
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27. The large satellites interfere more seriously with telescope observations because of the strong reflections they produce.
由于大型卫星产生的强烈反射，它们对望远镜观测的干扰更为严重。
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28. Galileo's observations of Jupiter's satellites showed that the Ptolemaic theory of the motion of celestial bodies is false.
伽利略对木星卫星的观察表明，托勒密关于天体运动的理论是错误的。
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29. We make these observations as research psychologists who have studied how schools and families can help young people thrive.
作为研究学校和家庭如何帮助年轻人成长的心理学家，我们做了这些观察。
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30. They never altered their incorrect mental models of planetary motion because their everyday observations didn't support what their teachers told them.
