英德
有道
百度
谷歌
图片
维基
百科
黄赤交角
[天] obliquity of the ecliptic
- 本文简介了黄赤交角、偏心率、岁差等地球轨道三要素和米兰柯维奇理论。
Three orbital elements of the Earth:precession, declination and eccentricity, and Milankovitch theory are introduced briefly. - 从黄赤交角造成的四季光照度变化，推得太极图中的曲线是两条阿基米德螺线，表征了自然界最基本的周期运动-简谐振动。
It is deduced from the rhythm that the curves in Taiji Graph are two Archimedes helices. Taiji Graph reflects the most basic cyclical motion, the simple harmonic vibration. - 黄赤交角和月亮赤纬角决定了地球应力场的主应力方向，据此研究了构造形变与气象灾害的关系。
The moons declination and obliquity of the ecliptic determine the direction of the principal compressive stress field, then the relation of tectonic deformation to meteorological disaster is studied.
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