国际音标种种变通创造字母的方式，如采用小写尺寸的大写字母、颠倒字母、双字母、反写字母、合体字母、字母变形、增加附加符号等，既充分运用了传统字母，又在传统字母的基础上有所创新，可以说是不造字母而又产生了新的字母形式。人们见到国际音标都似曾相识，没有陌生感，在感情上就易于接受，容易推广，而且国际音标既便于认读，又便于书写，满足了世界上各种各样的语言的各种各样的音素的记音需求。
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