пробное испытание означает в английский

trial test

Русский	Английский
испытание noun {n}	assay [assays](trial, attempt, essay) noun [UK: ə.ˈseɪ] [US: ˈæ.si] challenge [challenges](difficult task) noun [UK: ˈtʃæ.ləndʒ] [US: ˈtʃæ.ləndʒ] test [tests](challenge, trial) noun [UK: ˈtest] [US: ˈtest] trial [trials](chance to test something out) noun [UK: ˈtraɪəl] [US: ˈtraɪəl]
испытание временем noun {n}	test of timenoun
суровое испытание noun {n}	crucible [crucibles](difficult and trying experience) noun [UK: ˈkruː.sɪb.l̩] [US: ˈkruː.səb.l̩]
клиническое испытание noun {n}	clinical trial [clinical trials](test) noun [UK: ˈkl̩ɪ.nɪkl ˈtraɪəl] [US: ˈkl̩ɪ.nək.l̩ ˈtraɪəl]
суровое испытание noun {n}	ordeal [ordeals](a painful or trying experience) noun [UK: ɔː.ˈdiːl] [US: ɔːr.ˈdiːl]

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