单词	射影不变式
释义	同射影不变式--射影不变量
随便看	external bus instruction external cable external cache external call external callus external callus-- ensheathing callus external callus; ensheathing callus external canthus external capacitance external capacity external capsule external carotid artery external carotid foramen external carotid nerve external carotid plexus external cathode external cathode counter external cathode--counter external cathode counter tube external cathode resistance external cause external cause; exopathic cause; exanthrop; exopathy external cavity external cavity laser external cavity laser diode