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prenatal diagnosis
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在胎儿出生前,了解胎儿在宫内的发育状况的各种检测手段。又称宫内诊断或者出生前诊断。
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应用生物化学、分子遗传学、细胞遗传学、免疫遗传学、影像学等技术,对胎儿是否患有重大遗传性疾病或先天畸形进行的诊断。
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vibrating silicon crystal transducer
vibrating string accelerometer
vibrating string equation
vibrating string gravimeter
vibrating viscometer gauge
vibrating wire sensor
vibrating wire transducer
vibration
vibration absorber
vibration absorption
vibrational
vibrational band
vibrational characteristic temperature
vibrational constant
vibrational degree of freedom
vibrational discharge
vibrational eigenfunction
vibrational energy
vibrational energy level
vibrational energy relaxation
vibrational excitation
vibrational exciton
vibrational fine structure
vibrational fluorescence
vibrational instability
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