虽然在冰川消退期间二氧化碳含量的变化与温度的变化密切相关，但它显然滞后于冷却期间的温度。
Although change in carbon dioxide content closely follows change in temperature during periods of deglaciation, it apparently lags behind temperature during periods of cooling.
然后我们有气体冷却反应堆，那能使用超临界二氧化碳或者氦。
And then we have gas cooled reactors which can use supercritical carbon dioxide or helium.
新的集成电路条，更聪明的能让一台机器多功能运行的软件，更精巧的减少能量消耗与二氧化碳排放的冷却系统。
New processing chips, clever software that lets one machine do the work of many, and smarter cooling systems can all reduce energy consumption and thus carbon-dioxide emissions.
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