查询词典 FRAC

In Chapter 2, starting from the basic fractional ordinary differential equations,weapply a high order approximation of fractional derivative advanced by Lubich to frac-tional differential equation, construct a high numerical difference scheme to solve thefractional differential equation, present error analysis of the algorithms theoretically,and prove the consistency ,convergency and stability.

接下来的第二章中，首先从基本的分数阶常微分方程出发，对Lubich提出的一个关于分数阶导数的高阶近似，将其应用于分数阶微分方程，构造高阶数值差分格式来进行分数阶微分方程的数值求解，并在理论上给出这一算法的误差分析，证明了它的相容性，收敛性和稳定性。

With 3-D transient finite element analysis, the time evolution of dynamic stress intensity factor under different loading rates was obtained and the dynamic fracture toughness was determined by frac...

结合有限元三维动态模拟，得到了不同加载速率下试样动态应力强度因子的时间历程，并由实测的起裂时间确定两种钢的动态断裂韧性。

Objective To explore the clinical features and the result of operative treatment of unstable fracˉture of pelvic.

目的 探讨不稳定型骨盆骨折的临床特征和手术治疗的效果。

To our knowledge, that study represents the largest reported series of proximal tibial frac- tures.

拒我们所知，该研究是目前已经报道的最大规模的胫骨近端骨折的研究。

The results show that laminar burning velocity increases exponentially with the increase of hydrogen frac...

通过对试验结果的数据拟合，得到了计算天然气—氢气—空气混合气层流燃烧速率的关系式。

Methods for raw jadeite evaluation have been discussed in respect of texture, color and frac ture.

从质地、颜色和裂隙等方面讨论了赌石预测方法。

Objective To discuss reasonable treatments and the best adaptive symptom in femoral neck frac ture in elderly.

目的 探讨老年股骨颈骨折的合理治疗方法及最佳适应证。

Results In elderly AF patients the incidence rates of left atrial and ventricular enlargement,decreased ejection frac...

结论心脏结构和功能的改变可能是老年房颤发生和发展的危险因素之一。

X is a real-type expression. The result is the fractional part of X; that is, Frac = X - Int.

Frac函数返回参数X的小数部分，X是一个实型数，该函数的作用等价于Frac=X-Int。

In all other intervals of frequencies $\geq \nu_H$, the spectral amplitude acquires an extra factor $\frac{\Omega_m}{\Omega_{\Lambda}}$, due to the current acceleration, otherwise the shape of spectrum is similar to that in the decelerating models.

由于宇宙的加速膨胀，在所有频率$\geq \nu_H$的频段，功率谱的形状类似于在加速膨胀模型的情况，但功率谱的幅值获得了一个额外的因子$\frac{\Omega_m}{\Omega_{\Lambda}}$。

Neither the killing of Mr Zarqawi nor any breakthrough on the political front will stop the insurgency and the fratricidal murders in their tracks.

在对危险的南部地区访问时，他斥责什叶派民兵领导人对中央集权的挑衅行为。

In fact,I've got him on the satellite mobile right now.

实际上 我们已接通卫星可视电话了