1/4对称度量联络
quarter symmetric metiic connections
quarter-symmecric metric connections
1/4对称度量循环联络
quarter symmetric metric concurrent connection
Euclid联络几何学
geometry of Euclidean connection
L-模糊Galois联络
L-fuzzy Galois Connections
PNSF助理联络员
PNSF Assistant Liaison Officer
半对称度量联络
semi-symmetric metric connection
半对称联络
semi-symmetric connection
保形联络空间
space with conformal connection
边境联络会议
cross-border liaison meeting