英语词汇“focus-film distance”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

单词	focus-film distance
释义	DictionarySeedistanceEncyclopediaSeeDistance focus-film distance focus-film distance (FFD), in radiography, the distance between the source of x-rays and the film. focus-film distance Abbreviation: FFD In radiography, an obsolete term for source-to-image receptor distance. Synonym: focal-film distance See: source-to-image receptor distanceSee also: distance
随便看	material receiving report material record book material recovery facility material recovery rate material regulation material related overhead material release document material release order material release order control material release order control system material release schedule material removal rate material repair system material representation material request form material request plan material request transaction material required date material requirement external material requirement internal material requirement planning material requirements material requirements data material requirements estimation system material requirements for planning

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focus-film distance