Formal correspondence means that the UT and its TL equivalent correspond to each other in aspects of phonological and graphological features, morphological structures, and word order, etc.

形式对应指的是翻译单位与其译语等值物在语音、书写形式、以及形态结构、语序等方面相互对应。

youdao

These qualities show the stylistic features of this language variety at three linguistic levels: graphological or phonological, lexical or grammatical and semantic.

这些品质显示这门语言的文体特征品种：“三个语言层面或音位、词汇和语法和语义。”

youdao