2 sentences

1. 警方通过DNA比对，最终确认了受害者的身份。

   jǐng​fāng tōng​guòDNA bǐ​duì, zuì​zhōng què​rèn le shòu​hài​zhě de shēn​fèn.

   The police finally confirmed the victim's identity through DNA matching.

   Source: Dong Chinese Dictionary

2. 通过将翻译件与原文进行比对，他发现了几处错误。

   tōng​guò jiāng fān​yì jiàn yǔ yuán​wén jìn​xíng bǐ​duì, tā fā​xiàn le jǐ chù cuò​wù.

   By comparing the translation with the original, he found several errors.

   Source: Dong Chinese Dictionary