需
求
层
次
理
论
x
ū
q
i
ú
c
é
n
g
c
ì
l
ǐ
l
ù
n
Definitions
1. (Maslow's) hierarchy of needs (psychology)
Components
需求
xū qiú
–
requirement
层次
céng cì
–
layer
理论
lǐ lùn
–
theory