This is a normal vector of the same length as n, well, up to sign.

这是与N长度相同的法向量，只是符号不定。

youdao

The memory device includes M normal word line drivers, a dummy word line driver, a memory array, N sense amplifiers, and a timing control circuit.

所述存储器装置包括M个正规 字线驱动器、虚设字线驱动器、存储器阵列、N个读出放大器和时序控制电路。

youdao

They were divided into coronary heart disease group (c), hypertensive cardiopathy group (h), and a normal group (n).

冠心病组(C)、高心病组(H)、正常对照组(N)。

youdao

So the normal--the bell-shaped curve in that case for the x/n is going to look something like this.

那么x/n的钟形曲线,大概就会是这个样子

耶鲁公开课 - 金融市场课程节选

Both breast-fed and formula-fed babies who had been given n-3 fatty acid enriched egg yolks had 30-40% greater red cell membrane DHA levels than those fed normal egg yolks.

BBC: Egg boost for babies