对妊娠15 - 24周的妇女做胎儿超声，将正常中位鼻骨测量值作为一个原始参数。
Expected normal median nasal bone measurements were established for an initial cohort of women receiving fetal ultrasound examinations at 15-24 weeks of gestation.
方法 采用三维有限元法 ，根据下颌骨测量资料建立不同颌骨截面形态的种植修复模型并进行分析。
Methods Six models with different lower jaw shapes were constructed by using three dimensional finite element method.
他测量和比较了20世纪殖民后期美洲、非洲和欧洲血统的不同人群的头盖骨，发现我们的大脑尺寸再次出现增大的趋势。
He measured and compared the craniums of Americans of African and European descent from late colonial times to the 20th century and found that our brain size is on the move again.
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