【摘要】 地球大气固、水圈、岩石圈和生物圈的异常事件,有着多种时间尺度上的群发性和准周期的特点,且有着相应的宇宙环境背景。更多还原

【Abstract】 The abnormal events of the atmosphere, the hydrosphere, the lithosphere and the biosphere on the earth have approximately the characteristics of synchronism and quasi-periods. This paper gives their six periods of time scales: They all occurred relevantly under the background of the changes of astronomical parameters, these are respectively the earth rotation, the geocentric synod of nine planets, the earth orbit, and the sun moves around the plane and the center of galaxy.更多还原