Could be due to different batches of the problem.

可能是不同批次的问题。

youdao

Different batches of ShaQiKang Capsule were analyzed by similarity software for quality evaluation.

应用相似度软件分析，对不同批次鲨芪康胶囊的质量进行评价。

youdao

In appropriate cases, periodic testing of the different batches prepared from the same lot of dehydrated medium is acceptable.

在适当的情况下，用同一个批次的脱水培养基配制的不同批次的定期试验是可以接受的。

youdao

Twelve tested samples of different batches of meatballs showed no traces of horse meat.

BBC: Ikea store front

Second, we actually have examined tubes from several different batches that were seized clandestinely before they reached Baghdad.

CNN: Transcript of Powell's U.N. presentation

By comparing the genetic code of batches of C. difficile, researchers can work out how related different batches of C. difficile are.

BBC: C. diff spread 'fast and easy'