主法向量

principal normal vector (to a space curve)

owner / master / host / individual or party concerned / God / Lord / main / to indicate or signify / trump card (in card games)

variant of 法[fa3]

France / French / abbr. for 法國|法国[Fa3 guo2] / Taiwan pr. [Fa4]

law / method / way / to emulate / (Buddhism) dharma / (abbr. for 法家[Fa3 jia1]) the Legalists / (physics) farad (abbr. for 法拉[fa3 la1])

old variant of 法[fa3] / law

surname Xiang

towards / to face / to turn towards / direction / to support / to side with / shortly before / formerly / always / all along / (suffix) suitable for ... / oriented to ...

to tend toward / to guide / variant of 向[xiang4]

variant of 向[xiang4] / direction / orientation / to face / to turn toward / to / towards / shortly before / formerly

normal vector

vector (math.)

to measure

capacity / quantity / amount / to estimate / abbr. for 量詞|量词[liang4 ci2], classifier (in Chinese grammar) / measure word