常见例句To establish a technique system to purify the DNAase; 建立双胸蚓DNA酶分离纯化的技术体系；Preparation and Characterization of a New Type DNAase from Bimastos 蚯蚓组织中一种新型DNA酶的制备及理化性质研究DNase, DNAase deoxyribonuclease 返回 DNAase