1, Jiuzhangji, epigraph name, belongs to Pingyun "Brick Tower" Daqu. Song Zeng _ "Yuefu Ya Ci" has two works, both written by an anonymous person. One is Nine Songs, which consists of nine paragraphs; The second is the whole song of Eleven Songs, which consists of nine paragraphs and two slogans. The whole song consists of nine poems, and the meter of each poem is basically the same, with six sentences and three spans. Except for the third sentence, it rhymes the same, and the whole rhyme is flat. Its content describes the scene of women weaving, from one machine to nine machines, hence the name nine machines.

2. The whole song of "Nine Songs" ("Nine Songs and Nine Machines") is the correct body. One to nine metrical poems are basically the same: the first sentence is flat, the second sentence is flat, the third sentence is flat, and the fourth and fifth sentences are flat. Except for the third sentence, the same part rhymes with bet, and the whole rhyme is bet. Because its example begins with "one machine" and "two machines", the rhyme is four branches, five micro, eight gases and ten ashes (half) universal.

3. Eleven songs (nine machines and eleven songs) are variants, that is, nine words and two slogans identical to the original are added as the tenth and eleventh songs. The first sentence of each advertisement is "Pingping", and the other formats are basically the same as the first nine articles.