noun[ C ]physicsspecializeduk/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