density log密度测井densityn.密度；浓度；比重density of blood vessels血管密度density dependent factor密度制约因素, 密度依赖因素density of female parent母本移栽密度density of ene rgy state能态密度density of river network河网密度density-modulated beam密度调制光束density step-procedure密度分级法density of veneer lumber单板密度density of alveolar bone牙槽骨骨密度density of woven fabrics织物密度