U型：U-type
UL：UL
UG：UG
U值：U value
UV：UV
UC：UC
U2：U 2
UP：UP
UF：UF
UO：UO
US：US
U波：U wave
U管：U tube
Uu：Uu
U盘：USB flash disk
UI：UI
UR：UR
UH：UH
U阀：U valves
U衬：U-shaped lining
UE：UE
UW：UW
UD：UD
UT：UT
U根：U-radical
UN：UN
u紧：u compactness
u场：U-field
Ｕ点：U point
U组：U-genome
u次：u Ci
U形：U-shaped
UK：dhfr
UA：UA
UⅡ：UⅡ
UB：UB
U数：U-number
U态：ungerade states
UML：UML
UHF：UHF
USB：USB
U型件：U-type part
UBF：UBF
USY：USY
UPF：UPF
UDP：UDP
UOE：UOE
U型钢：U-shaped steel
UV值：UV transmittance
U形环：U-bent