Ministry of Education 《Revised Mandarin Chinese Dictionary》

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Word	中心角
Bopomofo	`ㄓㄨㄥ` `ㄒㄧㄣ` `ㄐㄧㄠ^ˇ`
Hanyu pinyin	zhōng xīn jiǎo
Interpretation	圓心角的別名。參見「圓心角」條。