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| Subject | English | Romanian |
| gen. | bid challenge | contestație |
| med., health., anim.husb. | challenge virus | virus de provocare |
| econ. | constitutional challenge | excepție de neconstituționalitate |
| health., anim.husb. | homologous challenge | provocare omoloagă |
| comp., MS | payment instrument challenge | verificarea instrumentului de plată (A fraud prevention mechanism that attempts to verify that an individual using a payment instrument is authorized to use or is the owner of that instrument) |
| chem. | preservation challenge test | test de verificare a conservabilității |