发布日期：2025-01-04 14:35    点击次数：55

u statistic u统计量ulm factor 乌姆因子ultra filter base 超滤子基ultra ideal 超理想ultra power 超幂ultrabarrelled space 超桶型空间ultrabornological space 超有界型空间ultrafilter 超滤子ultrafilter space 超滤子空间ultrahyperbolic equation 超双曲型方程ultrametric space 超度量空间ultraproduct 超积ultraspherical polynomials 特种球多项式umbilical point 脐点unary operation 一元运算unary relation 一元关系unbiased confidence estimation 无偏置信估计unbiased estimate 无偏估计unbiased estimating equation 无偏估计方程unbiased estimator 无偏估计量unbiased sample 无偏样本unbiased test 无偏检验unbiasedness 无偏性unbounded function 无界函数unbounded interval 无界区间unbounded operator 无界算子unbounded quantifier 无界量词unbounded sequence 无界序列unbounded set 无界集unboundedness 无界性uncertainty 不定uncertainty principle 测不准原理unconditional convergence 无条件收敛unconditional inequality 无条件不等式unconditional jump 无条件跳跃unconditionally convergent 无条件收敛的unconditionally convergent series 无条件收敛级数unconnected graph 不连通图unconnected space 不连通空间unconnectedness 不连通性uncorrelated 不相关的uncorrelated random variables 不相关随机变量uncountability 不可数性uncountable 不可数的uncountable ordinal 不可数序数undecidability 不可判定性undecidability theorem 不可判定性定理undecidable theory 不可判定理论underdeterminate system 欠定组underdeterminate system of partial differential equations 欠定偏微分方程组underlying graph 底图underlying group 基础群underlying topological space 基础拓扑空间underlying topology 基础拓扑undetermined 未定的undetermined coefficient 末定系数undetermined number 未定数undirected edge 无向棱undirected graph 无向图undisturbed differential equation 无扰动微分方程unduloid 波状体unequal 不等的ungula of the cone 锥的蹄状体ungula of the cylinder 柱的蹄状体ungula of the prism 棱柱的蹄状体uniaxial 单轴的unicity 唯一性uniconvergence space 单收敛空间unicursal 单行的unicursal curve 有理曲线unicursal graph 单行图unicursal involution 单行对合unicursal surface 单行曲面unidirectional 单方面的unified field theory 统一场论uniform 匀的uniform approximation 一致逼近uniform boundedness principle 一致有界原理uniform continuity 一致连续性uniform convergence 一致收敛uniform cover 一致覆盖uniform distribution 均匀分布uniform equicontinuity 一致同等连续性uniform invariant 一致不变量uniform isomorphism 一致同胚uniform limit 一致极限uniform scale 等分标尺uniform space 一致空间uniform stability 一致稳定性uniform structure 一致结构uniform topology 一致拓扑uniformity 一致结构uniformity generated by a pseudometric 伪度量一致性uniformizable 可一致化的uniformizable point 单值化点uniformizable space 单值化空间uniformization 单值化uniformization principle 一般单值化定理uniformization theorem 单值化定理uniformization theory 单值化理论uniformizing covering surface 单值化覆盖面uniformizing function 单值化函数uniformly bounded 一致有界的uniformly bounded sequence of functions 一致有界函数序列uniformly bounded series 一致有界级数uniformly bounded set 一致有界集uniformly continuous 一致连续的uniformly continuous map 一致连续映射uniformly convergent 一致收敛的uniformly convergent sequence of functions 一致收敛函数序列uniformly convex 一致凸的uniformly convex space 一致凸空间uniformly distributed random variable 均匀分布随机变量uniformly elliptic operator 一致椭圆算子uniformly equicontinuous 一致同等连续的uniformly equivalent metric 一致等价度量uniformly equivalent space 一致等价空间uniformly integrable 一致可积的uniformly locally compact space 一致局部紧空间uniformly most powerful test 一致最大功效检定uniformly open map 一致开映射uniformly strongly elliptic operator 一致强椭圆算子uniformly summable family of functions 一致可积函数族unilateral 单侧的unilateral surface 单侧曲面unimodal 单峰的unimodal distribution 单峰分布unimodular group 幺模群unimodular map 幺模映射unimodular matrix 幺模阵unimodular number 单模数unimodularly bounded function 幺模有界函数union 并集union of sets 集的并unipotent element 幂幺元unipotent group 幂单群unipotent matrix 幂单矩阵unique existence 唯一存在性unique factorization domain 唯一析因整环unique factorization theorem 唯一析因定理unique solution 唯一解uniquely defined 唯一定义的uniqueness 唯一性uniqueness condition 唯一性条件uniqueness theorem 唯一性定理unirational variety 单有理簇uniserial algebra 单列代数unit ball 单位球unit character 单位特贞unit circle 单位圆unit disk 单位园板unit divisor 单位因子unit dyad 单位并向量unit filter 单位滤子unit function 单位函数unit group 单位群unit ideal 单位理想unit idele 单位伊代尔unit interval 单位区间unit line 单位线unit lower triangular matrix 单位下三角阵unit matrix 单位矩阵unit of angle 角的单位unit of area 面积单位unit of volume 体积单位unit operator 恒等算子unit point 单位点unit representation 恒等表示unit simplex 单位单形unit sphere 单位球unit square 单位平方形unit tangent 单位切向量unit tensor 单位张量unit theorem 单元定理unit transformation 恒等变换unit vector 单位向量unitarily equivalent operator 酉等价算子unitarily equivalent representation 酉等价表示unitarity 酉性unitary 单式的unitary algebra 单式代数unitary bundle 酉丛unitary connection 酉朕络unitary geometry 酉几何unitary group 酉群unitary homomorphism 单式同态unitary invariant 酉不变量unitary matrix 酉矩阵unitary modular group 特殊酉群unitary operator 酉算子unitary r module 单式r模unitary representation 酉表示unitary similar matrix 酉相似矩阵unitary space 酉空间unitary transfer 酉朕络unitary transformation 酉变换unity 单位元素unity element 单位元素unity group 单位群univalent 单叶的univalent function 单叶函数univariable series 单变量级数universal affirmative proposition 全称肯定命题universal bundle 通用丛universal class 全类universal coefficient formula 万有系数公式universal coefficient theorem 万有系数定理universal covering 通用覆盖universal covering group 通用覆盖群universal covering manifold 通用覆盖廖universal covering space 万有覆盖空间universal covering surface 万有覆盖面universal curve 万有曲线universal domain 万有域universal enveloping algebra 通用包络代数universal function 通用函数universal map 通用映射universal negative proposition 全称否定命题universal proposition 一般命题universal quantifier 全称量词universal relation 通用关系universal set 通用集合universal subgroup 通用子群universal validity 一般有效性universal variety 普遍簇universally japanese ring 伪几何环universally maximal left ideal 普遍极大左理想universally maximal twosided ideal 普遍极大双侧理想universally minimal right ideal 普遍极小右理想universally valid formula 普遍有效公式unknown 末知的unknown number 未知数unlimited 无限的unlimited covering manifold 无限覆盖廖unlimitedness 无穷unmixed ideal 纯理想unordered pair 无序对unparted hyperboloid 单叶双曲面unramified covering 非分歧覆盖unramified covering surface 非分歧覆盖面unramified extension 非分歧扩张unramified manifold 非分歧廖unramified prime ideal 非分歧素理想unramified ring 非分歧环unsolvability 不可解性unsolvable 不可解的unsolvable equation 不可解方程unstability 不稳定性unstable 不稳定的unstable solution 不稳定解unweighted mean 未加权平均数upper bound 上界upper central series 上中心列upper class 上类upper control limit 上控制限upper derivative 上导数upper envelope 上包络upper half plane 上半平面upper limit 上极限upper limit of integration 积分的上限upper pure value 上纯值upper quartile 上四分位数upper semi continuous decomposition 上半连续分解upper semicontinuity 上半连续性upper semicontinuous 上半连续的upper semilattice 上半格upper triangular matrix 上三角形矩阵upper value of game 对策上方值upper variation 正变差useful direction 有效方向utility 效用utility function 效用函数utility theory 效用理论