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词汇
絨毛取樣法
释义
絨毛取樣法
róng máo qǔ yàng fǎ
一种诊疗法。医生运用超音波，自孕妇胎盘组织的绒毛膜内取得活细胞，放在培养基内培养，以测得细胞的染色体，从而诊断出胎儿的性别及染色体异常的遗传性疾病。此法须于孕妇怀孕八周以后始得进行，而受检的孕妇须承担百分之四的流产风险。
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three-quarter floating axle shaft
three-quarter hard
three quarter hard annealing
three-quarter hard annealing
three-quarter hose
three-quarter-inch
three-quarter length
three-quarter length stockings
three-quarter line
three-quarter nelson
threequarters
three quarters
three-quarters
threequartersfilled shell effect
three quarters filled shell effect
three-quarters hard
three-quarters hard cold work
three-quarter shot
three -quarter shot
three-quarter sibling
three-quarter siblings
three-quarter sister
three-quarter sisters
three-quarter sleeve
three-quarter-sleeve
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更新时间：2026/8/17 22:19:39