... 对数尺度 logarithmic scale 机械函数尺 mechanical sector 双对数尺度 double logarithmic scale ...
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mechanical sector scan transducer 机械扇形扫描换能器
mechanical sector ultrasonic scanner 超声扇形机械扫描系统
·2,447,543篇论文数据,部分数据来源于NoteExpress
On an annual basis, engineering and allied industries grew by 0.4%, led by strong growth in the mechanical engineering sector.
BBC: Food and drink leads rise in Scottish exports
Under his leadership, Ulysse Nardin rose once more to the top of the mechanical watchmaking sector, with numerous innovations such as the first astronomical wrist watches.
FORBES: Connect
Workers are angered by plans by Balfour Beatty and other construction companies to regrade staff in the mechanical and electrical sector.
BBC: North Lincolnshire oil refineries workers protest
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