The engineers' most important goals are reductions in fuel consumption and jet engine noise.
工程师的最重要目的是减少油耗和发动机噪音。
The engine noise rises only slightly as I speed along.
我一路高速行驶时，发动机的噪音只提高了一点点。
Locates source of engine noise quickly.
能迅速确定发动机噪音声源所在。
You may also notice an increase in engine noise after landing.
飞机着陆后发动机噪音也会加大。
Analysis and control of engine noise has the significance.
开展对发动机噪声分析及控制研究有重要意义。
The combustion noise control is an important aspect of internal combustion engine noise control.
燃烧噪声控制是内燃机振动与噪声控制领域的一个重要的研究方向。
The combustion noise control is an important aspect of internal combustion engine noise control.
燃烧噪声控制是内燃机振动与噪声控制领域的一个重要的研究方向。
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