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fetoscope
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fetoscope
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医学
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fetoscope
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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tangential pencil
tangential plane
tangential point
tangential point tracing grinding
tangential polar coordinate
tangential polygon
tangential port
tangential property
tangential quadrilateral
tangential representation
tangential section
tangential sphere bundle
tangential stress
tangential tetrahedron
tangential transformation
tangential triangle
tangential unit vector
tangential variety
tangential velocity
tangential wall
tangential wound
tangent indicatrix
tangent internally
tangent line
tangent local charts
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更新时间:2026/1/17 7:03:31