I do not find that acceptable, and I do not feel that I can assume users will have installed a better dbm like gdbm or bsddb.

这不能接受，我想读者可能也无法安装更好的类似 gdbm 或 bsddb 的 dbm 。

youdao

Objective To explore the biocompatibility of gradient degradation biomaterials(GDBM) and biological behaviors of cultured tenocytes combined with this three-dimension scaffold in tissue engineering.

目的探讨梯度降解肌腱支架材料（GDBM）与肌腱细胞的生物相容性及肌腱细胞在三维支架上培养的生物学行为。

youdao