water diversion from the upper Yangtze River in the south to the upper Yellow River in the north
identical unit or proportional unit of the body
time-rock unit =time-stratigraphic unit
1221 upper working face
2×2 Upper Triangular Operator Matrixes
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
Acute lymphadenitis of upper limb
Acute massive hemorrhage of upper gastrointestinal tract
Acute nonvariceal upper gastrointestinal bleeding
Acute upper digestive tract active bleeding