1) δ-chromatic number
δ-色数
2) δ function
δ函数
1.
δ function is a mathematical tool to describe the discontinuous distribution of physics quantity.
δ函数是一个用于描述非连续分布物理量的数学工具,利用δ函数的相关理论和性质,采用密度方程求解瞬时注入或采出δm量流体后(集中分布的物理量)的地层压力分布,对这个集中分布量的地层压力进行叠加,模拟了间歇采油井的压力分布和井底压力。
2.
In terms the expressions of the charge density for an electric dipole,the force and torque exerted by an external electric field on it are derived in a simple way by using the δ function.
利用电偶极子的电荷密度和磁偶极子的电流密度的表达式,并借助δ函数导出了电偶极子和磁偶极子在外场中所受的力和力矩公式。
3) Δ-parametric method
Δ参数法
4) δ-function
δ-函数
1.
Dirac δ-function and applications in mechanics;
δ-函数及其在机械学中的应用
2.
n this paper, it is shown that the orthocomplete expansion of δ-function in the set of vector wave functions can be derived by using the orthocomplete expansion of δ-function in the set of scalar wave functions.
利用δ－函数按标量波函数系的正交完备展开式直接推导出δ－函数按矢量波函数系的正交完备展开式。
5) Function
[英]['fʌŋkʃn] [美]['fʌŋkʃən]
δ函数
1.
Perturbation Solution of the Weak-Nonlinear Partial Differential Equation With δ-Function;
含有δ函数的弱非线性偏微分方程的摄动解
2.
About Teaching Argument of “δ function”;
关于“δ函数”的教学讨论
6) delta-function potential
δ函数势
1.
The quantum mechanics of a bound particle in the delta-function potential in three dimensions is studied with a discussion of its regularization and renormalization.
用正则化和重正化方法研究了一个处于三维δ函数势中的束缚态粒子的量子力学性质。
补充资料：色数儿
1.即色子。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条