3D打印鈦合金內的晶粒取向和形貌。 (IMAGE) City University of Hong Kong Caption 3D打印鈦合金內的晶粒取向和形貌。 Credit Dr Zhang Tianlong /DOI number: 10.1126/science.abj3770 Usage Restrictions Image must be used with appropriate caption and 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.