Mandarin:
间规聚合物

Explanation in English Language (EN):
A polymer where the substituent groups alternate sides in a regular pattern, affecting crystallinity and properties.

Explanation in Mandarin (ZH):
其取代基在主链两侧交替排列的聚合物，影响其结晶性和物理性能。

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International Phonetic Alphabet (IPA)
- Definition: A standardized system of symbols used to represent the sounds of spoken language.
- Purpose: Helps linguists, language learners, and educators accurately describe pronunciation across languages.
- Example: The word “hello” in British English is transcribed as /həˈləʊ/ in IPA.