According to the information in the question bank, metrical poetry is a popular genre of Chinese poetry in Tang Dynasty. Named after its strict metrical requirements, it belongs to a kind of modern poetry. The genre of "Military Vehicle Shop" is a seven-character ancient poem. So Du Fu's Military Vehicle Shop is not a metrical poem.
Chedian is one of the famous works of Du Fu, a great poet in the Tang Dynasty, and its genre is seven-character ancient poetry.