英语语法分析

Results in OPFM, both endochondral bone formation and intramembrane bone formation played their parts in osteoporotic fracture healing, the former played a major role.

结果与一般骨折愈合方式相似，软骨内成骨与膜内成骨共同参与了骨质疏松性骨折的修复，且以软骨内成骨为主。