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periodic electrostatic focusing
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periodic electrostatic focusing
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工学
电子注聚焦
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periodic electrostatic focusing
周期静电聚焦
由一组沿电子注的传输路径排列的静电透镜所产生的周期变化的电场来聚焦电子注的聚焦方式。
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storage occupancy with the Class Ⅱ fire hazard
storage of agricultural products
storage of blasting materials
storage of Chinese medicinals
storage of collection
storage of electronic records
storage of oil & gas products
storage of oil & gas products at atmospheric temperature and pressure
storage of oil & gas products at low-temperature and atmospheric pressure
storage of oil & gas products at low-temperature and pressure
storage of solid waste
storage of spent fuel
storage of valuables
storage-oriented logistics building
storage pools for regulating canal flow
storage ratio
storage resource management
storage ring
storage root
storage security
storage server
storage service
storage space
storage space for exhibition supplies and accessories
storage stability testing of drug products
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