Recent PMC applications e-J/+ne Zhan Sun, Yang Ma, XGW,SJB PRD2018 mass collision energy vs= 10.58 GeV [1 L○ NRQCD prediction Belle lete→J+×B24=36+9 2.3-5.5fb oete→J/p+nlxB2=25.6±28±3.4 BaBr176±281tb3 NLO-prediction can explain the data 14 Y J. Zhang, Y j. Gao and K. T Chao, Phys. Rev. Lett But strongly scale dependent 96.092001(2006) 15 B. Gong and J. X. Wang, Phys. Rev. D 77, 05-4028 Guessing: Hr 2-3 GeV Bell PMC scale Why such guessing Q1=Q2=2.30GeV scale is correct Babar 0+o +) PMC worksRecent PMC applications NLO-prediction can explain the data But strongly scale dependent Guessing: Belle BaBar LO-NRQCD prediction Why such guessing scale is correct？ PMC scale Zhan Sun, Yang Ma, XGW, SJB PRD2018 PMC works