词汇	ontology of material
释义	ontology of material 物质本体论
随便看	modern postal service modern poster design modern pottery art Modern pottery is usually ornamental Modern Pottery with Sculptural Quality modern poultry science Modern Power Engineering Tech-nology Modern Practical Optical System II modern practical philosophy Modern practical writing modern practice mode modern precipitation modern preferred stock modern press modern primary and secondary education modern primitive modern principal components modern principles for honesty edueation modern print art modern prison modern private property right modern process modern processing method modern product Modern product design