простой подбор(a process in which you find out the best way to solve a problem, do something, etc., by trying different ways until one is successful. > We often learn by/through trial and error. MWALD Alexander Demidov)
экспериментальным путём(Экспериментальным путем был(и) определен(ы): It took trial and error to determine the most effective way to demolish the large beams between vaults and the stiffeners transversing the vaults. Alexander Demidov)
подбор("Trial and error" choice of blood pressure medicine poses challenge. USA Today. | The general design approach, once materials are tentatively selected, is trial -and -error choice of tooth numbers which must satisfy the speed ratio limits and .. Alexander Demidov)
