The three-member ring structure transition region and structure transition state were found out.

得到了各反应通道的结构过渡区和结构过渡态。

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The result shows that the transition state of the rearrangement reaction has a three-membered ring structure.

结果表明，该重排反应经过一个三元环过渡态。

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The result shows that the transition state of the rearrangement reaction is a three-member ring structure external the molecular plane.

结果发现，该重排反应经过一个面外三元环过渡态。

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Russia and Iran are both believed to have renewed their commitment only to allow Bashar al-Assad to go as part of a balanced orderly transition that would retain much of the regime structure and state institutions.

BBC: Syria: Proxy war heats up as endgame inches closer