燃气轮机效率的提高，主要表现在透平初温的提高。

The increase of the gas turbine work ratio is mostly demonstrated by the increase of the turbine initial temperature.

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作为回热循环中的关键部件，回热器性能的好坏对于燃气轮机效率的提高至关重要。

Recuperator, as the key part in recuperated cycle, plays the important role in efficiency increasing of gas turbine.

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那么怎样才能提高燃气轮机的效率，使其能够在3.4秒内将汽车启动并加速到62英里每时？

So how did they create a gas turbine engine that is fuel efficient yet can go from zero to 62 mph in 3.4 seconds?

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