图2. 不同金属材料在4.2 K时的拉伸强度-延伸率图 (IMAGE) Science China Press Caption 不同金属材料在4.2 K时的拉伸强度-延伸率图。 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.