早在一百多年以前,关于地球在地史过程中可能发生膨胀的学说就已问世,而关于地壳的全球性膨胀与收缩现象交替发生,以及地球在他的历史过程中体积要出现周期性脉动的假说,也在半个多世纪前就有了。近年来,情况发生了根本变化,已有更多的自然科学工作者 As early as a hundred years ago, theories about the possible expansion of the earth in the history of the earth had come into existence, while the global expansion and contraction of the earth’s crust alternately took place and the earth had to periodically appear in the volume of his history The pulsating hypothesis also came more than half a century ago. In recent years, the situation has undergone fundamental changes and more and more scientists in the natural sciences have already emerged