双车前进一！双车慢进！

Both engines slow ahead!

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增强扫描表现：病灶呈轻到中度强化，呈“慢进慢出”特点。

Enhanced Scanning: lesions showed mild to moderate enhancement, with a feature of "slowly coming into and slowly going out".

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对化工或医药企业中的精确配比投料进行了研究，设计了一种利用慢进值和提前量进行控制的系统。

An accurate mix substances system in teh chemical industry or medicine factories is produced. A control sys tem with a slow down value and a beforehand value is designed.

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