In a reversal of current design trends the MIT concept increases the bypass ratio by minimizing expansion of the overall diameter of the engine and shrinking the diameter of the jet exhaust instead.

与现行设计趋势相反，麻省的概念通过最小化发动机总体直径的尺度以及相应缩小喷气排放直径来增加涵道比。

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But, in reality, the greening of China will require a reversal of current trends that is politically impossible.

FORBES: China Talks A Green Line While The U.S. Walks One