该文讨论了快通道技术的有关问题。

This article discussed several questions of fast tract.

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快通道技术是心血管麻醉进展的最有力体现。

Fast track is the most obviously reflection of advances in cardiovascular anesthesia.

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文章提出了一些新的检测概念，如快通道、慢通道、前史、后史等，在机车故障检测技术方面作了一些新的探讨与尝试。

Some new detection concepts are presented: such as fast channel, slow channel, pre-history, post-history. It is a survey and attempt to the field of locomotive fault detection.

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