The negotiations run on twin tracks: a Kyoto track and a non-Kyoto track.

谈判在两条轨道上运行：一条是《京都议定书》，另一条是非《京都议写书》。

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A similar twin-track policy for Somali piracy would mean first putting money and effort into training coastguards, and constructing courts and prisons in the region.

类似的对付索马里海盗的双轨政策意味着，首先要在训练海岸警卫队上花金钱和精力，然后要在当地建造法庭和监狱。

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Perhaps, just like the Provisionals' old twin track armalite and ballot box strategy, society has to keep its options open.

BBC: Can the dissidents be brought in from the cold?

Many developing countries have been arguing for a "twin track" approach, whereby countries with existing targets under the Kyoto Protocol (all developed nations except the US) stay under that umbrella, with the US and major developing economies making their carbon pledges under a new protocol.

BBC: Copenhagen climate summit negotiations 'suspended'

During the campaign for last month's general election, the Social Democrats followed a highly successful twin-track strategy.

ECONOMIST: Germany