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"Ba" means: quantifier. Roof trusses are called trusses.

"Nai" is a Chinese character in China, pronounced as pǐn, which is an uncommon word used in architecture. In the past, quantifiers used to be a general term for wooden frames, usually referring to plane structures, which are used in steel, wood and steel structures.

Quantifier: a room frame is called a box; Steel structure generally refers to the frame facade composed of columns and beams.

Architecture: In the past, quantifiers were a general term for wooden frames, usually referring to plane structures, which were used for steel, wood and steel structures. Steel structure: steel structure generally refers to the frame facade composed of columns and beams.

Chinese is a polysemous word, usually referred to as language, literature and culture for short. Its original meaning is "language".

Chinese class is generally regarded as a comprehensive subject of language sensitivity, language knowledge and culture. Language and articles, language knowledge and cultural knowledge are inseparable from it. It can also be said that Chinese is the sum total of written or oral language works formed by using language rules, specific language vocabulary and formation process.

Chinese is an important teaching subject in the basic education curriculum system. Its teaching content is language and culture, and its operating form is also language and culture. Chinese language ability is the basis of learning other disciplines and sciences, and it is also a humanities and social science with hail and Zen as the mainstay, and it is a tool for people to exchange ideas with each other.

It is characterized by the unity of instrumentality and humanity. Chinese is also the main subject offered by schools and other educational institutions in China. Philology is a general term for studying language and characters from the perspective of literature, which generally includes philology, exegetics, phonology, collation and so on. China is rich in ancient literature, with special characters and developed Chinese.

Chinese in a broad sense should also include linguistics, namely linguistics and philology. However, because linguistics is a big category of international academic branches, philology belongs to linguistics and becomes a branch of linguistics.