求翻译：南宋时，重庆叫恭州，宋光宗先被封为恭王后即位当皇帝，自诩为“双重喜庆”，他即位后升恭州为重庆，重庆由此得名。是什么意思？

Southern Song Dynasty, Chongqing is called Christine states, Song Guangzong first came to the throne after Prince Gong has been called when the emperor, self-proclaimed "double celebration", he ascended the throne after the rise Christine state of Chongqing, Chongqing, hence the name.

When Southern Song dynasty ( 1127-1279 ), Chongqing was called Christine, first-come-first-served basis, Song cases had been sealed for Christine queen who is the emperor, he boasted that he is "double joy, " he, and post-liter for Christine, Chongqing, Chongqing.

When Southern Song Dynasty, Chongqing calls gong the state, Song Guangzong to seal first takes a seat for gong queen works as emperor, boasts of being “the dual jubilations”, after he takes a seat rises gong the state is Chongqing, Chongqing acquires fame from this.

When the Southern Song dynasty, Chongqing gongzhou, Emperor Guangzong of Song are respectful Queen ascended the Emperor first, bills itself as "double happy", he ascended and then increased gongzhou for Chongqing, Chongqing got its name.

When Southern Song Dynasty, Chongqing calls gong the state, Song Guangzong to seal first takes a seat for gong queen works as emperor, boasts of being “the dual jubilations”, after he takes a seat rises gong the state is Chongqing, Chongqing acquires fame from this.