youdao

The bulk of the Metaphone algorithm is a set of rules that map letter combinations into the consonant classes.

Metaphone算法整体上是一套规则集，可以把字母组合映射成辅音类。

youdao

Children at this age can hear the sound of letter combinations better now and can hear the phonic differences.

这个年龄的孩子已经可以更好地听清字词组合，也可以听清字词的不同处。

youdao

It uses algorithms to recognise that some letter combinations are more likely to form words than others.

BBC: The software is based on pattern recognition