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$AGP_{r,f=1}=YL_{r}*LD_{r,l=1}$ BLOOP Failed to parse (Conversion error. Server ("https://wikimedia.org/api/rest_") reported: "Cannot get mml. TeX parse error: Double subscripts: use braces to clarify"): {\displaystyle byl_{r}=cD_{r}*{(1+AGTEC_{r})}_{t-1}*KAG_{r}^{C}DALF_{r,s=1}*LABS_{r,s=1}^{1-CDALF}_{r,s=1}*SATK_{r}}