變焦超構元件的原理示意圖 (IMAGE) City University of Hong Kong Caption 變焦超構元件的原理示意圖,左邊是二維調控超構元件,右邊的是三維調控超構元件。 Credit © Zhang, J. et al. https://www.science.org/doi/10.1126/sciadv.adf8478 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.