Their Byzantine legal structures owe as much to history and tax planning as safety and efficiency.

这种拜占庭式复杂诡秘的法律结构，是由历史原因和避税选择造成的，也是出于安全和效率的考虑。

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The individual reactions of these new molecular structures in converting sunlight are about 40 percent efficient, or about double the efficiency of today’s best solar cells.

目前单个这种新的分子结构转化太阳能的效率约为40%，几乎已经是现在最高效的太阳能电池的2倍。

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The individual reactions of these new molecular structures in converting sunlight are about 40 percent efficient, or about double the efficiency of today's best solar cells.

目前单个这种新的分子结构转化太阳能的效率约为40%，几乎已经是现在最高效的太阳能电池的2倍。

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Several of us in the health professions have battled exhaustively to make efficiency changes and all too often found ourselves blocked by decrepit management structures.

ECONOMIST: Letters

Overall efficiency of the system is extremely low currently, thanks to a low concentration of those photon-catching structures, but individually they capture about 40 percent of the light's energy, meaning a higher concentration could make for very hearty soup indeed.

ENGADGET: Self-repairing solar cells could also fix our energy dependency

In the previous approaches so far, the systems have had complex structures such as organic complexes or plural photo-electrodes, which makes it difficult to improve their efficiency in response to the light.

ENGADGET: Panasonic Photosynthesis System converts carbon dioxide to organic material with plant-like efficiency