回纹，又称回字纹。是被中国民间称为富贵不断头的一种纹样。它是由古代陶器和青铜器上的雷纹衍化来的几何纹样，因为它是由横竖短线折绕组成的方形或圆形的回环状花纹，形如“回”字，所以称做回纹。
目的回纹型风湿症转归和预后。
Objective Progression and prognosis of palindromic rheumatism.
矛上的回纹铭很象广西花山壁画上的民族纹饰。
The grains on spear likes the national grains of fresco of Guangxi Flower Mountain.
较诸雍正时期的作品，乾隆瓶的天空、白云和奇石的描写较为繁缛，但二者口沿均饰一道回纹。
The Qianlong vase, however has more heavily painted sky, clouds and rocks than on the Yongzheng vases, although it shares with the latter a minor band of squared spirals around the mouth.
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