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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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directly congruent
directly decomposable group
directly decomposable lattice
directly indecomposable group
directly indecomposable lattice
directly integrable function
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directly proportional
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direct machine translation
direct mail advertisement
direct mail advertising
direct manipulation
direct-mapped cache
direct mapping
direct market valuation approach
direct measurement
direct measurement for electrical quantities
direct measurement of radiation environment
direct memory access
direct memory access, DMA
direct methanol fuel cell
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