采用了阴影技术和高速摄影相结合的方法,对激光推进流场演化过程进行了考察。
Shadow technology and a high-speed camera are combined to investigate the flow field evolvement.
高速铁路要求受电弓与接触线必须保持良好的接触和可靠的受流。
Pantograph and over-head contact line must maintain good contact and reliable by the current.
高速铁路要求受电弓与接触线必须保持良好的接触和可靠的受流。
Pantograph and over-head contact line must maintain good contact and reliable by the current.
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