第一基本形式 dì yī jī běn xíng shì

DEFINITIONS

  1. (math.) first fundamental form

CHARACTERS

第 dì
HSK 2
sequence, number; grade, degree
一 yī
HSK 1
one; a, an; alone
基 jī
HSK 4
foundation, base
本 běn
HSK 1
root, origin, source; basis
形 xíng
HSK 5
form, shape, appearance
式 shì
HSK 4
style, system, formula, rule