求翻译：它有三大主要流派，即以保定地区为代表的直隶官府菜、以承德等地为代表的宫廷塞外菜和以唐山等地为代表的冀东菜。是什么意思？

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It has three main genres, i.e. to areas as represented by the Baoding direct transfer, Guanfu cuisine Chengde, as represented by the court, and to such places as the Tangshan Jidong represented by the cuisine.

It has three big main schools, namely take Baoding area as places such as representative's Chihli government authorities vegetable, take Chende as places such as representative's palace area north of the Great Wall vegetable and take Tangshan as representative's east of Hebei Province vegetable.

It has three main schools, Zhili represented by Baoding area cuisine, with Chengde as the representative of the Court beyond the cuisine and represented by the Tangshan jidong cuisine.

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