首批商业不动产REITs正式申报，ABS一二市场热度提升

The provided content does not include any quantitative models or factors, nor does it contain any relevant information about their construction, evaluation, or backtesting results. The documents primarily discuss the development and issuance of REITs (Real Estate Investment Trusts) and ABS (Asset-Backed Securities) in China, along with market trends and statistics. If you have another document or specific quantitative research content, please provide it for analysis