The objective of this paper is to describe a method of monitoring engine pressure and pressure torque by measuring and analysing engine transient speed.

为此，描述了一种通过测量和分析发动机的瞬态转速来监测气缸内的压力和压力扭矩的方法。

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Engine pressure ratio (EPR), the ratio of inlet pressure over exhaust-let pressure measurements. The ratio is used as the primary parameter to set thrust on some engines.

发动机压力比(epr)，进气压力与排气压力值的比，某些发动机以此作为设定推力的主要依据。

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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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The difference between turbocharging and supercharging is simple: a turbocharger boosts engine air pressure by using exhaust gas to power a turbine that pushes more air into the combustion chamber.

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The XOS 2 is nearly usable for the latter job, but even at 50 percent more efficient than the original (by the company's last count) it's still a prototype that requires a tethered high-pressure hydraulic engine to function.

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The first attempt to launch the rocket was halted Saturday when a flight computer detected high pressure in an engine combustion chamber.

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