èr cì
second (i.e. number two)
second time
twice
(math.) quadratic (of degree two)
dì èr cì
the second time
second
number two
èr cì gé mìng
second revolution
campaign from 1913 of the provisional revolutionary government (under Sun Yat-sen and the Guomindang) against Yuan Shikai 袁世凱|袁世凯 and the Northern Warlords
èr cì qū xiàn
quadratic curve (geometry)
conic
èr cì qū miàn
quadric surface (geometry)
èr cì qū
quadratic curve
conic section (geometry)
Dì èr cì Hàn zì Jiǎn huà Fāng àn
Second Chinese Character Simplification Scheme (second round of simplified Chinese characters, proposed in 1977 and retracted in 1986)
abbr. to 二簡|二简[er4 jian3]