Xing Yang-Guang, Peng Ji-Long, Duan Zi-Wen, Yan Lei, Li Lin, Liu Yue. Tomographic imaging for solar extreme ultraviolet He II 30.4 nm and spectral data inversionJ. Acta Physica Sinica, 2022, 71(15): 159501. DOI: 10.7498/aps.71.20220084