In Earth's early days, all over the planet countless photosynthetic bacteria performed photosynthesis.

在地球早期，整个星球上有无数的光合细菌在进行光合作用。

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Members of a group of mostly aquatic, photosynthetic organisms (see photosynthesis) that defy precise definition.

一群主要是水生的、能行光合作用而无法精确定义的有机体。

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The LI_6400 Portable photosynthesis of LI_COR was used to study the photosynthetic characteristics in leaves of Gerbera hybrida in greenhouses.

运用美国LI＿COR公司制造的LI＿6400便携式光合作用测定系统，研究了非洲菊的光合特性。

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Then its founders, Jonathan Wolfson and Harrison Dillon, asked themselves whether it might not be cheaper to ignore the photosynthetic step, buy the sugar that photosynthesis produces instead, and concentrate on getting the algae to turn it into oil.

ECONOMIST: Biofuels are back. This time they might even work