词典释义：
双语例句
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The cytogenetic analysis of 25 early spontaneous abortuses and 59 induced abortuses was performed by the short-term culture and direct preparation of chorionic villi.
用绒毛细胞短期培养法和直接制备法，对自发流产物及人工流产物进行了细胞遗传学分析。