strictly upper triangular matrix
2×2 Upper Triangular Operator Matrixes
upper ring suspension device
almost triangular matrix
lower triangular matrix
water diversion from the upper Yangtze River in the south to the upper Yellow River in the north
the Western Ring Road Sector of Central Ring Road
1221 upper working face
95% Upper confidence limit
Aberdeen Upper Reservoir
Accommodation above the Upper Deck
accurate upper bound solution
Acquired absence of both upper limbs [any level]
Acquired absence of upper limb above wrist
Acute bacterial upper respiratory tract infection