Biogas system is the pivot in material recycling and energy transformation of a complex agro-ecosystem.

沼气发酵系统是复合农业生态系统中物质循环和能量转化的枢纽。

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The soil animal is a major component of the terrestrial ecosystem, and plays an important role in material recycling, energy conversion, and soil structure forming and improving.

土壤动物是陆地生态系统的重要组成部分，对系统内物质的循环、能量的流动、转化以及土壤结构的形成和改良具有重要作用。

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Doesn't Zhuang turn the deserted in the world and the environmental protection awareness deep in his heart into material recycling and spiritual recycling in the contemporary aesthetic creating?

庄红艺不正是把外界的废弃之物和内心的环保意识，转“化”成为当代审美创造中的物质再生与精神再生吗？

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Some greens worry that the energy used to send a boatload of material for recycling across the world is not justified by savings at the other end.

ECONOMIST: How China is encouraging the British to recycle their waste

In the meantime, Lowry hopes to expand ocean plastic to other product lines and increase the amount of ocean material in the recycling mix.

FORBES: How A Company Recycles Ocean Plastic Twice The Size Of Texas

"We don't want recycling material going into landfill - it's not waste, it's a commodity and we want to find an outlet, " SITA's Mike Dobson said.

BBC: South West recycling goes abroad