第四条签发普通签证时，根据外国人申请来中国的事由，在签证上标明相关的汉语拼音字母。

Article 4 Ordinary visas shall be marked with different Chinese phonetic letters and issued to different aliens according to their stated purposes of visit to China.

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张声母卡片+ 36 张韵母卡片+ 1张四声调卡片+点读笔=集4项功能于一身的拼音教材！

Initial Cards +36 Final Cards + 1 Intonation Card + TalkingPen = The Materials Containing 4 Functions for Teaching PinYin.

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我女儿今天复习了自然拼音3 - 2的四个字母组合发音。

My daughter reviews four diphthongs in Phonics 3-2 today.

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