时间-密度关系,曝光时间与胶片密度关系 time-density relation 曝光计，曝光表 exposure meter ..
2
?密度关系
... part-film distance 释义：物体-胶片距离物-片距 time-density relation 释义：时间-密度关系,曝光时间与胶片密度关系 both sided emulsion film 释义：双面涂乳胶层胶片 ...
双语例句
1
It shows that density has a better linear relation with different reservoir parameters, but the relation of sonic interval transit time or velocity with reservoir parameters is very complicated.