The climatic models simulated by proxy indices reflecting solar activity point out that solar variability can interpret most of temperature change before 1850.

根据多种反映太阳活动的代用指标拟合的气候模型指出，太阳活动可以解释1850年以前气温变化的大部分情况。

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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.

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。

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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.

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。

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Despite all the talk of grid-based energy storage, the least expensive solution to the variability of wind and solar power is geographic dispersion, according to Leo Casey, Chief Technology Officer of Boston-based inverter company Satcon Technology, (NASD:SATC) speaking at the Building Energy 11 conference in Boston on March 9th.

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