人们早就知道，地球围绕太阳的轨道会周期性地变化，周期性地影响太阳辐射照射地球的方式。
It is long known that Earth's orbit around the Sun changes periodically, cyclically affecting the way solar radiation strikes the Earth.
太阳在长期内也是变化的：它的热量输出在周期中有上升，也有下降，最近的趋势是下降。
The sun, is also variable over a long term: its heat output goes up and down in cycles, the latest trend being downward.
太阳黑子周期的变化可能给我们的天气和气候造成一定影响，但是并没有想象中那么大。
Changes to the sunspot cycle will have an impact on our weather and climate — but not a very big one.
太阳黑子周期的变化可能给我们的天气和气候造成一定影响，但是并没有想象中那么大。大卫·比尔洛报道。
Changes to the sunspot cycle will have an impact on our weather and climate — but not a very big one. David Biello reports.
磁场的变化是像太阳这样的恒星表面黑子活动周期的根源，尽管经过几十年的认真研究之后，地球人仍然对其知之甚少。
The magnetic activity of stars like sun, which is the root cause of the sunspot cycle, is still poorly understood even after decades of intense study.
由于太阳活动的正常消长变化没能完全符合我们过去预计的周期，最近几年许多人太阳内部动态活动的课题产生了浓厚的兴趣。
The sun's internal dynamics were the subject of intense interest over the last few years as the normal waxing and waning of solar activity did not follow past cycles as closely as anticipated.
如果高速气流的变化真地是太阳活动最重要的指示物，那么新的太阳活动周期还未露端倪。
If a change in the jet stream really is a leading indicator of solar activity, then no new cycle is on the horizon.
一些观测人员曾经试图把地球气候变化跟11年的太阳黑子周期联系到一起i，但是到目前为止仍然没有能够提供令人信服的解释。
Some observers have tried to connect the eleven-year sunspot cycle with climate patterns, but have so far been unable to provide a satisfactory explanation of how the cycle might be involved.
玛雅人追踪20种持续变化的不同周期(历法)，与行星、人类、预言、数字、太阳系、银河系和宇宙有关，一些有神圣的名字。
Mayans track 20 different cycles (calendars) of varying durations, which have to do with plants, humans, prophecies, numerics, solar system, galaxy, universe and the divine to name a few.
太阳活动的盛衰以11年为一个周期，在一个周期内，太阳放射的紫外线的变化幅度要比其放射的能量的变化幅度要大得多。
The sun's activity waxes and wanes on an 11-year cycle, and over this cycle the amount of ultraviolet light the sun emits changes a lot more than does the total amount of energy.
由于地球自转和公转的原因，太阳紫外线辐射强度呈现出以一年和一天为周期的规律性变化。
Because of rotation and revolution of the earth, solar ultraviolet radiation intensity varies in diurnal and annual periodic.
结果表明，太阳活动对大气的影响，不仅在长周期变化中存在，在逐日变化过程中也同样存在。
The result shows that there exists the influence of sun activity on the atmosphere not only in long period variation but also in daily variation.
其次，在具有年周期的太阳辐射、垫面温度及凝结加热的作用下，基本气流以年周期变化。
The basic current has the annual variation under the influences of solar radiation, earth's surface temperature and condensation heatings, all with an annual period.
进一步分析表明，地球自转速度和太阳黑子周期长度的变化对高原及北半球本世纪气候的突变和阶段性变化起着重要的作用。
Further analyses show the variation of earth rotation rate and sunspot cycle length have important role on the climate abrupt change in the Qinghai-Xizang Plateau.
从谱分析结果判断，年降水量具有20年的主振荡周期和3.3年、2.2年的次周期，并出现与太阳黑子变化反位相的特征。
Spectrum analysis is also conducted with the result that the significant period is about 20 years and the sub-period are 2.2 and 3.3 years.
太阳活动的盛衰以11年为一个周期，在一个周期内，太阳放射的紫外线的变化幅度要比其放射的能量的变化幅度要大得多。
The sun's activity waxes and wanes on an 11-year cycle, and over this cycle the amount of ultraviolet (UV) light the sun emits changes a lot more than does the total amount of energy.
它们大多以一千年为一循环周期。这表明太阳的多变性和海洋与大气之间的相互作用是影响这些气候变化的尤为重要的因素。
Many of them occur on thousand-year cycles, indicating that solar variability and interactions between the ocean and atmosphere are especially important factors influencing these climate changes.
无论何时，只要太阳到了这样的活动周期，人类的意识也会有显著的变化。
Whenever such changes happen in the pattern of the way the sun functions, it has been found that phenomenal changes happen in human consciousness.
由于地球上任一地区接收到太阳辐射能量的周期变化，导致地球表面温度的周期性变化。
As a result of the earth's rotation on its axis, the radiant energy received by any area of the earth surface from the sun varies periodically.
我们发现频率的变化随着太阳内部磁场强度增加而变大，并且和太阳活动周期密切相关。
The frequency shifts is found to increase with the strength of magnetic fields in solar interior, and its temporal behavior closely follows the phase of the synthetic solar activity cycle.
太阳是不被认为是变星，但它的变化进行定期的活动被称为太阳黑子周期。
The sun is not considered a variable star, but it does undergo periodic changes in activity known as the sunspot cycle.
太阳是不被认为是变星，但它的变化进行定期的活动被称为太阳黑子周期。
The sun is not considered a variable star, but it does undergo periodic changes in activity known as the sunspot cycle.
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