基于拓扑态的声波操纵 (IMAGE) Science China Press Caption (a)基于拓扑表面态的负折射现象。(b)基于拓扑棱态的声干涉现象。 Credit ©《中国科学》杂志社 Usage Restrictions Use with credit. License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.