Many other surveys have produced results essentially in agreement with these figures.许多其他调查已经得出了与这些数据基本一致的结果。Galactic surveys show that distant galaxies are not as evenly distributed in space as theory predicts.对银河系的研究表明...
白垩纪尚无壳斗科可靠的大化石记录,微化石需要进一步研究才能确定亲缘关系以及古新世壳斗科已经分化出两个类群.No creditable macrofossil record of the Fagaceae exists in the Cretaceous equivocal and require further study....