音节是语言的自然属性，任何一种语言都有音节结构，任何一种音节内的音位序列都是有规律的。

Syllable is the hierarchic natural feature of a language, and there are rules of the phonological sequences of the syllabic structure.

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实际上，48字节结构是美国电话公司偏爱64字节商务载量和欧洲公司要求每个信元有32字节之间的折衷。

In fact, the 48-byte structure was a compromise between V. S. telephone companies, which favored a 64-byte payload, and their European counterparts, which wanted 32 bytes in each cell.

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