n orientation

基本解释

N — Use element coordinate system orientation parallel to local coordinate system N (where N must be greater than 10).
使构件坐标系平行于局部坐标系N（N必须大于等于10）。
blog.sina.com.cn
Discuss on auto welding jigs design of orientation from "N-2-1"principle of orientation, benchmark unite, structure of orientation.
从“N-2-1”定位原理、基准统一、定位结构等各方面论述汽车焊接夹具定位设计贵规范化。
v579579v.blog.163.com
Since the signature of the agreement, 501 children have been released and are being cared for in five centers of transit and orientation (CTO) in N'Djamena and Abeche.
自从协议署名后，501个儿童已被释放，并分别被放置在恩将纳，和阿贝夏区的五个临时难民培养中心。

No, you're not holding it wrong -- in fact, with Canon's new PowerShot N, any and every orientation is correct, thanks to a unique square design with key controls mounted around the center-positioned lens.
ENGADGET