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数学函数
两个集合间的一种二元关系,使得第一个集合中的任一元素都关联至第二个集合中的单一元素。又称映射。
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pictorial
Pictorial Archives of the Republic of China
pictorial (collection)
pictorial diagram
pictorial dictionary
Pictorial Handbook of Birds
Pictorial Handbook of Mammals
Pictorial Histories of Cities at Liberation
Pictorial History of China's War Resistance
Pictorial History of the Second World War
pictorial information
pictorialization
Pictorial news of television
Pictorial of Enlightenme
pictorial photography
pictorial seals
pictorial stones of the Han Dynasty from Mixian
pictorial stones of the Han Dynasty in Wu's Ancestral Temple
pictorial stones of the Han Dynasty on Xiaotang Mountain
Pictorial Study of Yangxian Sand Teapots
Pictorial Turn
pictorial yearbook
Pictun
picture
picture achiving and communication system
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