What is the law of leveling?

Flat tone is the tone of words used in China's poems. "Flat" is straight, and "flat" is tortuous. According to the rhyming books revised from Sui Dynasty to Song Dynasty, such as Qieyun and Guang Yun, there are four tones in Middle Chinese, which are called Ping, Shang, Qu and Ru. Except for the flat tone, the other three tones have high and low changes, so they are collectively called Legato.

There is a certain format in the use of flat and even words in poetry, which is called meter. Pingsheng and Silence refer to the poetic rhythm composed of Pingsheng. Flat tone is an attempt to dualize the four tones. Four tones are four tones in ancient Chinese. Tone refers to the level, fluctuation and length of sound. On the basis of four tones, the flat tone is summarized through incomplete induction. Flat refers to straight, flat refers to twists and turns.

Extended data:

The combination principle of words in poetry;

"Alternating in pairs", that is, the rhythms of flat and flat Chinese characters appear alternately regularly, is the combination principle of absolutely flat metrical poems. In the aesthetic practice of reading metrical poems, or writing combined poems with Chinese characters, this principle is violated, and there are "Gu Ping", "San Ping Wei" and "three lost Wei", which poets call "dislocation".

Inappropriate poetry is neither dharma nor dharma poetry. For example, in the poem, "a line of egrets soars into the sky", and the word "one" is the ancient word "Rusheng", which can also be pronounced as a flat sound. When reciting, it should be pronounced as "Yρ", otherwise it will destroy the beauty of rhythm, rhythm and architecture of the poem "Every Two Alternations" because of "solitude".

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