the periodicity of the sunspot cycle.
太阳黑子的周期性。
Sunspots increase and decrease in intensity in an 11-year cycle.
太阳黑子以十一年为一个周期增强和减弱
Scientists study sunspots to understand solar activity.
科学家研究太阳黑子以了解太阳活动。
Sunspots can affect the Earth's climate.
太阳黑子可以影响地球的气候。
The number of sunspots varies in an 11-year cycle.
太阳黑子的数量在一个11年周期内变化。
Solar flares often originate from sunspots.
太阳耀斑通常起源于太阳黑子。
Astronomers use telescopes to observe sunspots.
天文学家使用望远镜观察太阳黑子。
Sunspots are areas of reduced temperature on the sun's surface.
太阳黑子是太阳表面温度较低的区域。
The presence of sunspots can indicate increased solar activity.
太阳黑子的存在可以表明太阳活动增加。
Sunspots are cooler and darker than the surrounding areas on the sun.
太阳黑子比太阳周围区域更凉爽和更暗。
Solar astronomers track the movement of sunspots across the sun's surface.
太阳天文学家追踪太阳黑子在太阳表面上的运动。
Sunspots can cause disruptions in radio communications on Earth.
太阳黑子可以导致地球上的无线电通信中断。
the periodicity of the sunspot cycle.
太阳黑子的周期性。
Sunspots increase and decrease in intensity in an 11-year cycle.
太阳黑子以十一年为一个周期增强和减弱
Scientists study sunspots to understand solar activity.
科学家研究太阳黑子以了解太阳活动。
Sunspots can affect the Earth's climate.
太阳黑子可以影响地球的气候。
The number of sunspots varies in an 11-year cycle.
太阳黑子的数量在一个11年周期内变化。
Solar flares often originate from sunspots.
太阳耀斑通常起源于太阳黑子。
Astronomers use telescopes to observe sunspots.
天文学家使用望远镜观察太阳黑子。
Sunspots are areas of reduced temperature on the sun's surface.
太阳黑子是太阳表面温度较低的区域。
The presence of sunspots can indicate increased solar activity.
太阳黑子的存在可以表明太阳活动增加。
Sunspots are cooler and darker than the surrounding areas on the sun.
太阳黑子比太阳周围区域更凉爽和更暗。
Solar astronomers track the movement of sunspots across the sun's surface.
太阳天文学家追踪太阳黑子在太阳表面上的运动。
Sunspots can cause disruptions in radio communications on Earth.
太阳黑子可以导致地球上的无线电通信中断。
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