查询词典 sunspot

Reliable predictions of sunspot numbers are impossible to make until the solar cycle is well established, usually three years after the minimum.

而通常情况下，在黑子数量最低点出现三年以后，直到太阳活动循环体系已经完善的建立了，人们才可能做出可靠的关于太阳黑子数目的预测。

Monthly averages of the sunspot numbers show that the number of sunspots visible on the sun waxes and wanes with an approximate 11-year cycle, The last five cycles are shown in the diagram below.

平均每月的太阳黑子表明，太阳的黑子数量上可见蜡和循环减弱的一个近似11年的周期，最后5个在图中所示。

The sunspot numbers is the major targets which describes the solar activity level,The solar activity influences human s health and human to rely for existence directly of environment-the Earth.

太阳黑子数是描述太阳活动水平的主要指标，太阳活动直接影响人类健康和人类赖以生存的环境—地球；依据数字信号处理原理，采用多种处理方法，分析处理了1770-1869年的太阳黑子数年均值；得出了太阳黑子存在11-12年周期的结论。

This event was caused by the solar activities such as increases of the sunspot numbers, occurrence of a 3b optical flare at 22 h46 mUT on March 22,1991 and so on.

这次磁暴是由磁暴前太阳黑子相对数增多、3月22日22h46mUT有3b级耀斑爆发等一系列太阳活动所引起的

Sunspot 875, in the midst of erupting a large Class C solar flare, can be seen as the dark region to the upper right.

太阳黑子875，在一个巨大的喷发中的C类太阳耀斑之中，可以看到右上的黑暗区域。

There are many solar active phenomena, such as sunspot, solar flare, solar prominence and coronal mass ejection.

太阳上有各种各样的活动现象，如黑子、耀斑、日珥和日冕物质抛射。

Magnetic field plays a central role in solar activity. Almost all kinds of solar activities, such as sunspot, solar flare and coronal mass ejection, are associated with solar magnetic fields.

磁场在太阳活动中扮演着主要的角色，太阳表面上各种活动现象（如太阳黑子、耀斑爆发和日冕物质抛射等）都和太阳磁场有关。

Magnetic field plays central role in solar activity. Almost all kinds of solar activities, such as sunspot, solar flare and coronal mass ejection, are associated with solar magnetic field.

磁场在太阳活动中扮演者最主要的角色，太阳表面上各种活动现象(如太阳黑子、耀斑爆发和日冕物质抛射等)都和太阳磁场有关。

Giving an example in Daxinganling forest district, we research quantitative relation between intermittent-fluctuating heavy fire period phenomena in the forestry fire activities per year and main astronomical factor--sunspot abnormal activity with the methods of abnormal-extent and regression-analysis.

以大兴安岭林区为例，运用异常度法及回归分析方法，研究了一定空间范围内，年际森林火灾活动中间歇起伏的高火险时段现象与主要天文因素——太阳黑子活动异常的定量关系，得出了太阳黑子活动是制约区域高火险时段形成与发展的重要天文因素。

But GST= 0.156, Nm=1. 588. As a result, the foundation of Youyongchi Avicennia marina population was the result of the migration of hypocotyles and human factors.

这项工作可以为海岸防护林中新引进种类的判定以及为研究种群建立者效应方法的确定提供科学依据。

The two-dimensional CDRC-ADI-FDTD update equations for collision unmagnetized plasma are induced. The unconditional stability of the CDRC-ADI-FDTD formulation for collision unmagnetized plasma is obtained by the examples.

推导了碰撞非磁化等离子体中的二维CDRC-ADI-FDTD迭代公式，并用算例验证了碰撞非磁化等离子体CDRC-ADI-FDTD算法也是无条件稳定的。