查询词典 Delta

The case study shows that the shape functions and their derivatives of the meshless Kriging interpolation method have the properties of Kronecker delta function.

数值算例结果证明该法构造的形函数具备过点插值性质并且具有很好的曲线拟合特性，是一种非常好的无网格法形函数。

After 1-D approximating of electrostatic fields in the IDT, we give the basic analysis model of IDT: the Delta function model, impulse response model, equivalent circuit model, and the model parameters.

从激励产生SAW的IDT上静电场的一阶近似入手，给出了分析IDT的基本模型：δ函数模型、脉冲响应模型、等效电路模型，给出了各模型的基本特点与参数。

In the PIM, the interpolation function has the Delta function property, so the essential boundary conditions can be simply imposed.

在该方法中，插值函数具有Delta函数性质，可以方便地施加边界条件。

The pseudo delta function in seismic method is used to simulate the electric dipole source in finite element simulation, In this paper, the author extend it into three-dimensional case from which singularity from source is eliminated, and also the the stability of the equation is remarkably.

把应用于地震模拟中的伪delta函数引入到可控源电磁法中的有限元模拟中，并把其扩展到三维情况下，用源周围的小块区域代替偶极子源，从而消除了源点的奇异性，提高了方程组的稳定性。

It turned out that hematopoietic stem cells be immortalized by constitutive Notch1 and Delta has the function as the mitogenic regulators of hematopoietic stem cells.

研究人员将活化形式Notch受体导入造血干细胞，使其获得了细胞因子依赖性的"永生"；另外，Notch的配体Delta、Jagged具有类有丝分裂因子作用，可保持造血干细胞的自我更新能力，促进其体外增殖。

However, its accuracy is not much high in interpolation. On the other hand, interpolation functions in the point interpolation method have delta function property, and it is convenient to apply the essential boundary conditions.

而点插值方法的插值函数具有Delta函数性质，可以很方便的施加本质边界条件，不利之处是在计算插值函数时矩阵易于奇异。

The system point spread function is designed to be similar to the Dirac delta function. The experimental results and the theoretical calculation of the PSF are in accordance. The experiments on absorbers embedded in the intralipid solution with concentration of 1% and depth of 1.7 cm are implemented.

用菲涅耳波带板扫描全息成像系统进行了成像实验，得到了嵌埋在浓度为1%、深度为1.7 cm的脂肪乳剂中的吸收体清晰的再现像，吸收体为直径0.4 mm的金属丝和内径为6.0 mm的金属环，另外，也得到了直径为2.5 mm的黑塑料球的再现像。

In our analyses andcalculations,the effects of impurities and defects on the growth process areattributed to a new effective surface tension which has different scalingbehavior from the original one,and the growth inhomogeneities are modeledby Delta function and screened Coulomb function,respectively.

在分析计算中，是通过引入新的有效表面张力系数，将杂质和缺陷对表面生长过程的影响归结为一个新的有效的表面张力系数，这个表面张力系数与原来的表面张力系数具有不同的标度行为，对非均一生长率则分别使用了Delta函数模型和屏蔽的库仑函数模型。

We studied the influence of single magnetic impurity on the spin orientation of an incident electron, the scattering barrier can be expressed by the Rashba Hamitonian and delta function.

研究局域化磁性杂质引发的散射势对入射电子自旋取向的影响，该势可用Rashbah哈密顿项表示。

The nature of the culture formation in Pearl caver Delta is seeking function and benefit. Its characteristic is commercial vulgar culture, Its structure consists of four factors: the culture of south of the Five Ridges, the culture of HongKong and Macao and the culture of the Western countries.

珠江三角洲文化形态论纲戢斗勇摘要珠江三角洲文化形态的性质是务实求利；其特征是商业俗文化；其结构由岭南文化、中原文化、港澳文化和西方文化四因素构成；其地位是有中国特色的社会主义新文化的"曙光"，是中华民族大一统文化的"中介"。

He paid $5,000 for this cupcake.

他我这个纸杯蛋糕花了5000美元。

I mean, if you want to, that is

我的意思是，如果你们想吃的话。