1.
ancient. sunspot observation
太阳黑子的古代观测
2.
international relative sunspot number
国际相对太阳黑子数
3.
The darkest region of a sunspot.
太阳黑子中的最黑暗的区域
4.
The way of sunspot observation and the response of earth s environment to the sunspot maximum;
太阳黑子观测方法与黑子峰年地球环境的响应
5.
An increase in the number of sun flares leads to an increase in the number of sunspots, and a decrease in the number of sun flares leads to a decrease in the number of sunspots.
太阳闪烁次数增加导致太阳黑子数增加，太阳闪烁次数减少导致太阳黑子数的减少。
6.
The grayish outer part of a sunspot.
太阳黑子周围较浓的浅灰区
7.
These faculae frequently are the forerunners of sunspot formation.
这些光斑常常是形成太阳黑子的先兆。
8.
sunspot theory of business cycle
经济周期太阳黑子影响论
9.
Rapid Rotation of Sunspot Associated Flares and the Rotation of the Magnetic Fields in the Evolution of the Sunspot;
引发耀斑的太阳黑子快速旋转与黑子演化中磁场的旋转运动
10.
(astronomy; of the sun) characterized by a low level of surface phenomena like sun spots e.g..
（天文学；指太阳）以像太阳黑子之类的、低等级的表面现象为特点。
11.
(astronomy; of the sun) characterized by a high level activity in sunspots and flares and radio emissions.
（天文学；指太阳）以太阳黑子、耀斑和辐射的高等级活动为特点。
12.
This includes the continuous survey of umbra and penumbra of the sunspot.
这包括对太阳黑子本影和半影持续的观测。
13.
Large sunspots can comfortably be seen through field glasses.
大的太阳黑子用双筒望远镜就能看得很清楚。
14.
Sunspots increase and decrease in intensity in an11-year cycle.
太阳黑子以十一年为一个周期增强和减弱
15.
In summary there are the following possibilities for the observation of sunspots.
总而言之，对太阳黑子的观测存在着下列可能性。
16.
Galileo was the first person to see mountains on the moon and sunspots on the sun.
伽里略是看到月球上山脉和太阳黑子的第一人。
17.
A bright and intensely hot area in the sun's chromosphere, usually associated with a sunspot.
谱班太阳黑子区附近出现的明亮和极热的区域，通常是与黑子联系在一起
18.
These sunspots represent relatively cool areas, whose temperature is about 400 c.
出现太阳黑子的地方是温度较低的区域，其温度为400℃。