Nt的全称为nuchal translucency，翻译过来的中文名字为“颈部透明带”，一般孕妇怀孕12周时，进行nt检测。 检查结果是筛查胎儿是否存在畸形的一种指标，也是 唐氏筛查 的风险评估的依据。
Hacker slyly laughing, doing cyber attack. 32515127 Stock Video at Vecteezy
At Nt Log In Are You Doing This Hackers Are Laughing At You Hackg Signs How To Tell If R Computer Is Compromised
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