The paper expounds the background , content and experimental testing of De Broglie hypothesis,states the conception of De Broglie wave and its speed , corrects several wrong understanding on De Broglie wave and gives the right explanation;

• 阐述了德布罗意假设的背景、内容和实验验证,阐明了德布罗意波及其波速的概念,纠正了对德布罗意波的几种错误认识并提出正确解释;