nf
abbr. 美制细牙螺纹(national fine);美国药典(National Formulary)
例句
Good separation of co-ions and counter ions cannot be achieved by a single type of the singly charged NF membranes.
采用单一的荷电纳滤膜是不能实现同名离子和反荷离子之间的高效分离的。
It is now believed to be progressive in some patients with NF-1.
现在我们相信在某些NF - 1患者中,这是进行性的改变。
NF: What are your favorite luxury and fashion brands? Any Chinese designers?
你最喜欢那些奢侈品和时尚牌子?有中国的设计师吗?