计算机硬件 计算机维护 释文 maintenance cost, maintenance charge 维护费用
- polycarbonate
- polycarbosilane
- polycategory
- polycatenane
- polycentral
- polycentric
- polycentric governance
- polychlorinated biphenyl
- polychlorinated biphenyls
- polychlorinated dibenzofurans
- polychlorinated dibenzofurans (PCDFs)
- polychlorinated dibenzo-pdioxins
- polychlorinated dibenzo-pdioxins (PCDDs)
- poly(chlorinated halogenated olefin)
- polychloroether
- polychloroprene
- poly (chlorotrifluoroethylene)
- polychlorotrifluoroethylene
- poly (chlorotrifluoroethylene); polytrifluorochloroethylene (PCTFE)
- polychoric correlation
- polychoron
- polychroism
- polychroism, polychromatism
- polychromatic
- polychromatic fiber