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.
这还将包括火山活动、太阳活动，可能还有人类活动引起的任何变化。
Also included will be any variations that have arisen from volcanic activity, solar activity, and, possibly, human activities.
离心率、倾斜和摆动的变化并不影响地球一年接收到的太阳辐射总量。
Changes in eccentricity, tilt and wobble do not affect the total amount of solar radiation Earth receives in a year.
有人认为，太阳能量输出的变化可能是导致冰河时代的原因。
Some suggest that variations in the Sun's energy output could account for the ice ages.
米兰科维奇在20世纪早期提出，冰河时代是由地球绕太阳运行轨道的变化引起的。
Milankovitch proposed in the early twentieth century that the ice ages were caused by variations in the Earth's orbit around the Sun.
这一假设认为，地球运行的变化，特别是绕太阳轨道的变化，会导致太阳到达地球能量的不同。
It says that variations in earth's movements, specifically in its orbit around the sun, these variations lead to differences in the amount of solar energy that reaches 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.
当史蒂文森依据碳-14的痕迹追溯过去时，他发现碳-14的含量随着太阳燃烧的强度而变化。
When Stevenson followed the carbon-14 trail back in time, he found carbon-14 levels change with the intensity of solar burning.
除了全球气候系统本身的内部变化之外，还有外部影响的附加因素，如火山和太阳活动。
In addition to the internal variability of the global climate system itself, there is the added factor of external influences, such as volcanoes and solar activity.
在地球上任何一个特定地点，阳光的不断变化使能量储存成为地球太阳能系统的一个必要设计特征。
Constant variations in the amount of sunlight available on Earth at any given location make energy storage a necessary design feature of terrestrial solar-energy systems.
只要这些候鸟可以看到太阳，无论它们周围的环境如何变化，它们都会直接飞向正确的餐盒。
As long as the birds could see the Sun, no matter how their surroundings were altered, they went directly to the correct food box.
这两种装置在阳光充足的气候条件下工作良好；但在北欧，太阳可能一次被云层遮挡数周，而温度不仅随着季节变化，而且还随着昼夜变化。
Both these devices worked well in sunny climates; but in northern Europe, the sun may be hidden by clouds for weeks at a time, while temperatures vary not only seasonally but from day to night.
他们研究了太阳的运动，还关注了其他自然变化，如气温、水和植物生长。
They studied the sun's movement and also paid attention to other natural changes such as air temperature, water and plant growth.
哪张图显示了使用太阳能电池板后电力成本的变化？
Which picture shows the change of the electricity cost after the use of solar panels?
人类的皮肤可以有许多不同的颜色，它会随着太阳、我们的感觉或我们的健康状况而变化。
Human skin can be many different colors and it changes with the sun, our feelings or our health.
森林里的日光质量随着植被密度、太阳照射角度和天空云层数量变化而变化。
The daytime quality of light in forests varies with the density of the vegetation, the angle of the Sun, and the amount of cloud in the sky.
如果太阳输出的能量在变化那么其温度必定也在波动之中。
If the sun's energy output is changing, then its temperature must be fluctuating too.
他向普渡大学的研究者提出建议：寻找地球上放射性元素衰变速率的变化同太阳自转的关系。
His advice to Purdue: Look for evidence that the changes in radioactive decay on Earth vary with the rotation of the sun.
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.
黑子数目的任何改变都反映了太阳内部活动的变化。
Any changes in sunspot Numbers reflect changes inside the sun.
他们的发现使这种衰变速率的反常变化是由太阳中微子造成的论点得到了加强。
Their findings strengthened the argument that the strange swings in decay rates were caused by neutrinos from the sun.
相比之下，由太阳突变导致的地球能量收支变化至少小了十倍。
The changes in the planet's energy budget caused by solar variations are at least ten times smaller in comparison.
综合这些结果，暗示了太阳内部正在发生重大的变化。
Together the results hint that something profound is happening inside the sun.
日冕的变化反映的是太阳内部的变化。
Changes we see in the corona reflect changes deep inside the sun.
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.
至于动力，它们会利用太阳能或是温度变化从环境中“捡”一点能量。
For power, they "scavenge" energy from the environment, using solar energy or temperature changes.
至于动力，它们会利用太阳能或是温度变化从环境中“捡”一点能量。
For power, they "scavenge" energy from the environment, using solar energy or temperature changes.
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