Noise source identification for the model GZ6921 bus having rear mounted engine has been car ried out by means of the noise source identification model with testing and analysing system recommended.
运用该噪声识别模型及所介绍的测试分析系统，对GZ 6921型后置发动机客车噪声源进行了识别。
For the shoot, the filmmakers refined the system they had utilized for the test and continued to light primarily from the roof-mounted speed-rail rig, which sat like a halo atop the car.
在拍摄时，剧组成员改进了原本用于测试的系统，打光继续采用主要从车的垂直上方的平衡摄影架照射下来的方式，看着就像车子顶部附着上了一层光晕。
This paper takes the focus on the development and design of a car-mounted multimedia audion-visual system.
本文主要讨论了一个车载多媒体视音系统的开发与设计。
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