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Railway Internet Ticketing System
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Railway Internet Ticketing System
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Railway Internet Ticketing System
铁路客票发售系统
铁路网上客票系统是基于互联网的铁路售票和预定系统(12306网站)。旅客在互联网上可以购票、退票、改签,在线支付,查询列车、余票、订单信息等。
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blunt instrument injury
bluntnose sixgill shark
bluntnose snake-eel
blunt snout bream
bluntsnout bream
blunt snout bream breeding
blunt snout bream seed culture
BLUP
blur
blu-ray Disc player
blu-ray Disc System
Blur: How to Know What’s True in the Age of Information Overload
blurred image
blurring
blurry
Blush
B. L. van der Waerden
B. L. van der Waerden (1903—1996)
B-lymphoblastic leukemia/lymphoma with recurrent genetic abnormalities
B-lymphoblastic lymphoma/leukemia
B lymphocyte
BL代数
BM
BM25模型
BMA
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