The breakthrough of gas usually occur during low permeability reservoir development, that lead to recovery efficiency fall.

低渗透油藏注气开发极容易发生气窜，导致采收率降低。

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That's an efficiency breakthrough that could work no matter what form of fuel -- coal, natural gas from shale, solar -- ends up powering the grid in the coming century.

这种技术是一种重大突破。 无论本世纪的主宰能源是来自岩层的煤、天然气还是太阳能，它都同样适用。

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As a new method in the field of EDM, micro-EDM deposition (EDD) in gas is a big breakthrough in traditional manufacture.

气中微细电火花沉积加工作为电火花加工领域的一种新方法，是传统加工方法的一大突破。

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