太阳黑子活动 meaning in Chinese

sunspot activity

Analyzed period of the sunspot with digital signal processing method
用数字信号处理方法分析太阳黑子活动的周期性
Sunspots increase and decrease in intensity in an11 - year cycle
这是一个关于干旱与太阳黑子活动周期有关的令人感到有趣的理论。
This is an intriguing theory that droughts tie in with the sunspot
这是一个关于干旱与太阳黑子活动周期有关的令人感到有趣的理论。
The seismogenic background of xingtai earthquake is analyzed from sunspot activity , earthquake migration , seismic rhythm , and phase of moon
摘要主要从太阳黑子活动、地震迁移、地震韵律和月相等各方面，对邢台地震的发震背景进行了分析。
It was understood that sunspot activity was not at its peak in 1932 and hence the radio waves were unlikely to be emitted from the sun
据悉， 1932年并非太阳黑子活动的高峰期，由此推测无线电波并非自太阳发出，央斯基认为这些无线电波是从银河系而来。