As such, they require a relatively long amount of time to achieve combustion in the engine when it restarts.

因此，他们需要时间来实现在发动机中燃烧相对较长的数额时，重新启动。

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The paper introduces a new method of measuring combustion time with CAT technique for solid rocket engine.

介绍一种应用CAT技术确定固体火箭发动机燃烧时间的新方法。

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Electric cars may be coming after 20years and it is still the era of internal combustion engines in the current time. But we can already find the internal combustion engine for the end.

电动汽车的时代也许还要20年才能到来，目前的时间仍然是内燃机的时代，但我们可以看到内燃机却已是强弓之末。

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In the 1980s, they like to point out, Mr Gore focused on global warming: he even predicted, amid much derision at the time, the demise of the internal combustion engine.

ECONOMIST: 2001: A Gore Odyssey

Over time, the shipyards became centers of expertise in the internal-combustion engine.

NEWYORKER: Groupthink