... cycle of stress reversal ==> 反复应力周期 cycle of the sun ==> 太阳周 cycle of vibration ==> 振动周期 ...
基于12个网页-相关网页
本文根据模糊集合理论，讨论了太阳周的分类和预报。
In this paper, on the basis of fuzzy set theory the classification and the prediction of solar cycles are discussed.
本文统计分析了日球基本参数及能量参数的共转变化在第20太阳周中不同位相的演变。
The evolutions of corotating variation of some basic heliospheric parameters and energy parameters are studied in this paper for the solar cycle 20.
地球绕太阳一周要一年的时间。
应用推荐