二次
second (i.e. number two); second time; twice; (math.) quadratic (of degree two)
二次元
two-dimensional; the fictional worlds of anime, comics and games
二次型
quadratic form (math.)
二次多项式
quadratic polynomial
二次方
square (i.e. x times x)
二次曲
quadratic curve; conic section (geometry)
二次曲线
quadratic curve (geometry); conic
二次曲面
quadric surface (geometry)
二次革命
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
第二次汉字简化方案
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]
阿尔茨海默
Alois Alzheimer (1864-1915), German psychiatrist and neuropathologist
阿尔茨海默氏病
Alzheimer's disease; senile dementia
阿尔茨海默氏症
Alzheimer's disease; senile dementia
阿尔茨海默病
Alzheimer's disease; senile dementia
阿尔茨海默症
Alzheimer's disease; senile dementia
阿耳茨海默氏病
Alzheimer's disease