Figure 1 (IMAGE) Science China Press Caption The absorbing performance of TS-CPML and the conventional CPML for the second-order acoustic wave equation. Credit ©Science China Press 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.