图一: (IMAGE) Science China Press Caption 用于振动集中的柔性DHEM。(a) DHEM示意图 (b) 传统声学黑洞示意图。主体由抛物线和相切的直线组成,但实际制造出的声学黑洞有明显的截断(c) 制备的柔性DHEM实际样品照片 Credit ©《中国科学》杂志社 Usage Restrictions Use with credit. License Original 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.