These are referred to as mnemonic techniques.

这些被称为记忆的技巧。

youdao

There exists a considerable amount of evidence pointing to the superiority of mnemonic techniques over rote repetition in the learning of verbal material.

事实证明讲究词汇的记忆技巧比机械记忆要有效得多。

youdao

As they 'pass the warp' and 'split the weft', the weavers sing mnemonic ballads that remind them of the techniques they employ and enhance the cooperative, artistic atmosphere at the loom.

UNESCO: Culture