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胎儿镜
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胎儿镜
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胎儿镜
用直径0.5~2毫米光纤内镜,以套管针从孕妇腹壁穿刺,经子宫壁进入羊膜腔,观察胎儿形体、采集脐血或胎儿组织行活组织检查,以及对胎儿进行宫内治疗的有创检查方法。
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unperturbed end to end distance
unperturbed end-to-end distance
unperturbed equation
unperturbed motion
unperturbed operator
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unperturbed problem
unphysical particle
unphysiological forgetting
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unpolarized burst
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unpolarized proton background
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unpredictability
unpredictability implies pseudorandomness
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