constructive interference
noun [ C ] physics specialized uk/kənˌstrʌk.tɪv ɪn.təˈfɪə.rəns/ us/kənˌstrʌk.t̬ɪv ɪn.t̬ɚˈfɪr.əns/
建设性干扰（两个波能互相作用而引起的振幅加大）
the interference produced when two or more energy waves that are in phase (= in the same stages of the repeating pattern) combine to create a stronger wave