叠字是由形、音、义均相同的汉字重叠使用构成的，有广义、狭义之分。
The characters with the same form, sound, and meaning, in broad or narrow sense, construct reiterative locution.
由于音、形、义的特征，汉字数字除了数学意义之外，还具有哲学、文学和其他更广泛的意义。
With the features of pronunciation, form and meaning, Chinese characters have not only mathematical meanings but also philosophical, literary and other meanings.
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