A set of general equations which can describe the operating process of all kinds of combination engine systems is given in this paper.

本文给出了一组能够描述各种组合发动机系统工作过程的通用方程组。

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Only seven cars completed the race in Melbourne, a combination of engine problems and accidents accounting for the majority of the field.

CNN: Formula One dominated by uncertainty

Like C-MAX Hybrid, C-MAX Energi has projected total system horsepower of 188 that stems from the combination of a gasoline engine and a battery-driven electric motor.

ENGADGET: Ford's 2013 C-Max Energi rolls out 95 MPGe, arrives later this fall

It will be powered by a combination of a hybrid rocket and a jet engine from a Eurofighter-Typhoon.

BBC: 1,000mph car project 'on track'