音标：['traigræm] ；

n. 三字母一音
[电] 三组字母

n. a word that is written with three letters in an alphabetic writing system

词型变化：名词复数形式 : trigrams

trigram的用法和样例：

例句

用作名词(n.)

A trigram is a group of three consecutive characters taken from a string.三字铭是从一个字串里取出来的一组三个连续的字符。
In Mandarin speech recognition, this model shows a better performance and requires less memory space than the word based trigram model.在汉语普通话连续音识别中，这个词义模型的性能优于基于词的三元文法模型，并且需要较小的存储空间。

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