当龙虾随后被放置在一个可操纵的环境中，或者当它们失去一个或两个爪子后再生时，这种不寻常的对称刀状爪子的结构并没有改变。
This unusual configuration of symmetrical cutter claws did not change when the lobsters were subsequently placed in a manipulatable environment or when they lost and regenerated one or both claws.
如今，包括太阳能、燃料乙醇等在内的可再生能源在美国的能源结构中占百分之7。
Renewable energy, such as from photovoltaic electricity and ethanol, today supplies less than 7 percent of U.S. consumption.
从巴西的可再生能源结构看，巴西能源业的排放水平相对较低，鉴于此，实现进一步减排的可能性较小。
Given that emissions are already relatively low in Brazil's energy sector in light of its renewable matrix, opportunities for reduction are lower.
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