USB20通用串行总线：USB 2.0
up*/down*路由：up*/down* routing
USB主机与设备控制器：USB host and device controller
UlamRenyi问题：UlamRenyi problem
USB（通用串行总线）：USB(Universal Serial Bus)
Unfolding算法：Unfolding algorithm
U-S本原蕴涵/蕴涵式：U's prime implicant/implicate
Ullmann偶合反应：Ullmann coupling reaction
UV-Vis DRS谱：UV-Vis DRS
uraloidin A：uraloidin A
Utermhl计数法：Utermhl method
Utermhl浮游植物：Utermhl phytoplankton
Ux-复亚广义正定矩阵：Ux-reply generalized positive definite matrices
U6聚合酶III启动子：U6 Pol III promotor
U-Th-K放射性元素：U-Th-K radioactive elements content
U/Th和U/Pa年代：U/Th and U/Pa Dating
Urysohn分离公理：Urysohn Axiom
UPbSHRIMP年龄：U Pb SHRIMP age
Uterm¨ohl方法：Utermhl method
UT1变化（ΔUT1）：ΔUT1
UHF窄带无线电波传播：UHF radio propagation power
UNIXShell脚本：UNIX Shell script
URL（统一资源定位）：Electron transfer
UNDO/REDO事务：UNDO/REDO transactions
UFH-GARCH模型：UFHGARCH Model
Unconscious：Unconscious
U-17男子足球运动员：U-17 men soccer athlete
Undo/Redo操作：Undo and Redo operation
U-17少年足球运动员：U-17football player
UV-Fenton试剂：UV-Fenton reagent
U75V（PD3）钢轨：U75V(PD3)rail
UIStyler对话框：UIStyler dialog box
USB-RS485接口：USB-RS485 interface
U型垂直埋管地热源热泵：U-vertical buried pipe of ground source heat pump
UDP-葡糖醛酸转移酶：UDP-glucuronosyltransferases
U2afbp-rs基因：U2afbp-rs gene
upd-RuSn/Pt：upd-RuSn/Pt
UV-Vis光谱电化学：UV-Vis spectroelectrochemistry
Ullmann交叉偶联：Ullmann cross-coupling
UV-H_2O_2氧化：UV-H_2O_2 Advanced Oxidation Processes
U型埋管换热器三维模型：3 dimensional numerical model of borehole heat exchanger
UG OPEN API：UG OPEN API
U型垂直地下埋管换热器：vertical U-tube ground heat exchanger
UL31～UL35基因：UL31～UL35 gene
UL45～Ul50基因：UL45～Ul50 gene
UL25～UL30基因：UL25-UL30 gene
UVA防护等级（PA）：Protection grade of UVA(PA)
Ultrafil 3D：Obtura Ⅱ
ureB-hspA基因：ureB-hspA gene
USB WDM驱动程序：USB WDM driver
up*/down*路由：up*/down* routing
USB主机与设备控制器：USB host and device controller
UlamRenyi问题：UlamRenyi problem
USB（通用串行总线）：USB(Universal Serial Bus)
Unfolding算法：Unfolding algorithm
U-S本原蕴涵/蕴涵式：U's prime implicant/implicate
Ullmann偶合反应：Ullmann coupling reaction
UV-Vis DRS谱：UV-Vis DRS
uraloidin A：uraloidin A
Utermhl计数法：Utermhl method
Utermhl浮游植物：Utermhl phytoplankton
Ux-复亚广义正定矩阵：Ux-reply generalized positive definite matrices
U6聚合酶III启动子：U6 Pol III promotor
U-Th-K放射性元素：U-Th-K radioactive elements content
U/Th和U/Pa年代：U/Th and U/Pa Dating
Urysohn分离公理：Urysohn Axiom
UPbSHRIMP年龄：U Pb SHRIMP age
Uterm¨ohl方法：Utermhl method
UT1变化（ΔUT1）：ΔUT1
UHF窄带无线电波传播：UHF radio propagation power
UNIXShell脚本：UNIX Shell script
URL（统一资源定位）：Electron transfer
UNDO/REDO事务：UNDO/REDO transactions
UFH-GARCH模型：UFHGARCH Model
Unconscious：Unconscious
U-17男子足球运动员：U-17 men soccer athlete
Undo/Redo操作：Undo and Redo operation
U-17少年足球运动员：U-17football player
UV-Fenton试剂：UV-Fenton reagent
U75V（PD3）钢轨：U75V(PD3)rail
UIStyler对话框：UIStyler dialog box
USB-RS485接口：USB-RS485 interface
U型垂直埋管地热源热泵：U-vertical buried pipe of ground source heat pump
UDP-葡糖醛酸转移酶：UDP-glucuronosyltransferases
U2afbp-rs基因：U2afbp-rs gene
upd-RuSn/Pt：upd-RuSn/Pt
UV-Vis光谱电化学：UV-Vis spectroelectrochemistry
Ullmann交叉偶联：Ullmann cross-coupling
UV-H_2O_2氧化：UV-H_2O_2 Advanced Oxidation Processes
U型埋管换热器三维模型：3 dimensional numerical model of borehole heat exchanger
UG OPEN API：UG OPEN API
U型垂直地下埋管换热器：vertical U-tube ground heat exchanger
UL31～UL35基因：UL31～UL35 gene
UL45～Ul50基因：UL45～Ul50 gene
UL25～UL30基因：UL25-UL30 gene
UVA防护等级（PA）：Protection grade of UVA(PA)
Ultrafil 3D：Obtura Ⅱ
ureB-hspA基因：ureB-hspA gene
USB WDM驱动程序：USB WDM driver