procedían

form-of imperfect indicative plural third-person

procederの第三人称複数未完了直説法

English Meaning

third-person plural imperfect indicative of proceder

Durante el experimento, los científicos procedían conforme al protocolo establecido.

実験の間、科学者たちは決められたプロトコルに従って進んでいた。

During the experiment, the scientists were proceeding according to the established protocol.