与"principal sector"相近的词条

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• principal retinal meridian
• principal root
• principal secondary focal length
• principal section
• principal section plane
• principal sector
• principal sensory nucleus
• principal sensory nucleus of trigeminal nerve
• principal series
• principal species
• principal spot
• principal sulcus
• principal surface
• principal sympathetic neuron
• principal syndrome
• principal utilization time

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