\ mathbf\ mathbbE brace ^FWI brace brace : Multiparameter Benchmark Datasets for Elastic Full Waveform Inversion of Geophysical Properties - Feng, Shihang; Wang, Hanchen; Deng, Chengyuan; Feng, Yinan; Liu, Yanhua; Zhu, Min; Jin, Peng; Chen, Yinpeng; Lin, Youzuo (Advances in Neural Information Processing Systems, 2023)