It is shown that aerospike nozzle performance losses caused by free stream primarily result from increase of lift body base drag and decrease of plug pressure distribution.

结果表明，外流造成的性能损失主要体现在运载器底部阻力增加和塞锥表面压强降低两方面。

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We plug in all the numbers, and we get that the total pressure is now 0.685 bar.

把这些数都代入方程，总气压等于0。685巴。

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In a diesel engine, there is no spark plug. Instead, diesel fuel is injected into the cylinder, and the heat and pressure of the compression stroke cause the fuel to ignite.

柴油发动机内没有火花塞，取而代之的是将柴油喷入发动机气缸，然后压缩冲程在高温高压下引起燃料点火。

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As well as trying to come up with growth-enhancing measures, British treasury chief George Osborne will be under pressure to plug a hole in the public finances after an auction of the next generation of mobile phone licenses reaped less than anticipated.

NPR: BoE Governor Backed More Stimulus For UK Economy

Given the two red flags that had been thrown up previously, one would have expected that as a precaution a cement plug would have been placed somewhere in the wellbore as a secondary pressure seal before this primary pressure control system (heavy mud) was evacuated from the wellbore.

WSJ: The Oil Disaster Is About Human, Not System, Failure

This past summer, Deutsche Bank AG and Commerzbank AG, the two largest European banks to continue doing business with Iran despite recent U.S. pressure, agreed to follow other foreign banks and pull the plug on Tehran.

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