基本释义:

射影维数

网络释义

1)projective dimension,射影维数

2)dimension of projective space,射影空间的维数

3)projective function,射影函数

4)Projective number sets,射影数集

5)projective parameter,射影参数

6)injective dimension,内射维数

用法和例句

The relation between the iteration of projective function and the linear recursive sequences of order 2 is given.

先给出射影函数的迭代与 2阶线性递归序列的关系 ,进而得到此递归序列与Bernoulli数的一个恒等

Injective Dimension under Flat Base Change;

平坦同态下模的内射维数

In this paper,Author had discussed Gorenstein projective dimension and injective dimension of modules on Morita equivalence rings,the results as follow:If rings R≈S,then GpdRM=GpdSF(M),GidRM=GidSF(M).

在Morita等价的环上对模的Gorenstein投射维数与内射维数进行了讨论,有如下结论:若环R≈S,则GpdRM=GpdSF(M),GidRM=GidSF(M)。

Similar to the injective resolution of M,the essential injective resolution and left essential injective dimension of M are defined,and the connections between left injecti.

在M-内射模的基础上引进了M-本质内射模的概念,研讨了M-本质内射模的一些性质,并且引入了M的本质内射分解和本质内射维数的概念,深入探讨了内射维数和本质内射维数之间的关系,得出了一些重要的结论。

Dual Module and FP-selfinjective Dimension over Coherent Ring;

凝聚环上的对偶模与FP-自内射维数

(n,0)-Projective Dimensions and (n,0)-Injective Covers

（n,0）-投射维数与（n,0）-内射覆盖

INFLUENCE OF STRUCTURAL PARAMETERS UPON TWO-DIMENSIONAL FLOW FIELD IN THE EJECTOR

结构参数对喷射器内二维流场的影响

Study on Multi-dimensional Numerical Simulation of In-cylinder Radiation Heat Transfer of Diesel Engine

柴油机缸内辐射换热的多维数值模拟研究

Numerical Disposal of Three Dimensional Differential Coefficient Equation about Duct Flow Ejected by the Pulverized Coal & Air-Injector with Multiple Holes;

多股流粉煤—空气喷枪在圆管内射流三维微分方程的数值处理

Optical fibre: Flexible transparent fibre devices, used for either image or data transmission, in which light is propagated by total internal reflection.

光导纤维（光纤）:柔软的透明纤维组织，光线由内部的全反射而激增散播。用来传送影像或数据。

On Small Contraction Maps of Projective Varieties Odd Dimensional;

关于奇数维射影代数簇的小收缩态射的研究

Dual exponential map parameterization of maintenance Agent model

维修Agent模型的双指数映射参数化方法

Structure of the Minimal Dimensional Exceptional Locus of Small Contraction over Projective Varieties of Odd Dimension;

奇维数射影代数簇的小收缩态射的极小维例外集的结构

The energy density of the4- dimensional spacetime is supposed to be dominated by incoherent radiation and the energy-momentum tensor of the internal subspace is a step function.

我们假定四维时空的能量密度是以辐射为主的,而内禀子空间的能动张量是一个阶跃函数。

The Simulation of 3D Model for LPG Direct Injection Engine;

LPG缸内直接喷射发动机三维模型仿真

3D Numerical Simulation on the Process of the Missile Underwater Launching and Exiting from Water

潜射导弹水下发射及出水过程三维数值研究

Investigation of PAN-based carbon fiber microstructure by 2D-SAXS

二维小角X射线散射法研究PAN基炭纤维内部微孔结构

Numerical Solution of the Limited Aperture Problem in Three-Dimensional Inverse Acoustic Scattering

三维有限孔径逆声散射问题的数值解

The Numerical Solution of Scalar Field Radiation in 5D Black String Space;

5维黑弦时空中的标场辐射的数值解

Study on Nef-Value Morphisms of Higher Dimensional Projective Varieties;

关于高维代数簇的nef-值态射的研究

Process of Carbon-fibre s Digital X-ray Image;

碳纤维数字X射线的图像处理与计算

Small Finite Graded Projective Dimension gr.fp.dimR of Gr-Coherent Rings;

Gr-凝聚环的小有限分次投射维数gr.fp.dimR