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Using the modified analytical embedded atom method, the physical properties of D03 type Fe3Al alloy, including the lattice constant, formation heat, elastic constants, phonon dispersion curves, density of states, molar heat capacity at constant volume, Debye temperature and thermal expansion, were calculated. The calculated results were compared with the experimental data and those obtained by others.

摘 要：应用改进分析型嵌入原子模型，系统地计算了D03 结构Fe3Al合金的晶格动力学性能，包括晶格常数、形成热、弹性常数、声子谱、态密度、摩尔定容热容、德拜温度和热膨胀系数等，并将计算结果与已有实验数据和其他理论计算结果进行了比较。

I tried to keep myself from checking out her curves or I'd be no better then your common child molester.

我尽力不去注意她身体的曲线，以免叫你们认为我是骚扰儿童的变态。

The numerical calculation shows that differential curves of the weight distribution decrease monotonously with increasing the molecular weight.

我们所发展的二维分布转变成一维分布的算法及董函数拟合法亦可应用于其他共聚体系。

Dynamic change curves of thyroid hormone,thyroid-stimulating hormone, Iodine ,Selenium and GSH-Px were similar between healthy multiparity cows and healthy primiparity cows. But most of numerical value of primiparity cows were lower than that of multiparity cows.

健康的初产牛围产期血清中T4、T3、TSH、I、Se、GSH-Px的动态变化趋势同健康的经产牛类似，总体上血清中T4、T3、I、Se、GSH-Px的含量值略低于健康的经产牛。

Their seasonal variations were related with vegetation characteristics such as leaf area index and canopy height as well as wind speed.d had a close linear relationship with h,and the variations of Z0 with h could be expressed by quadric curves.d/h and Z0/h were nearly correlated with LAI,and multiple correlation coefficient could be 0.99 and 0.78,respectively.

芦苇湿地的Z0和d的季节变化主要受叶面积指数、株高及风速的影响。d随h的增加而单调增加，Z0随着h的变化遵循二次曲线，d/h、Z0/h与LAI之间的复相关系数分别为0.99和0.78。

QIQD uses piecewise quadratic curves to calculate the multiplicator of contending window after a frame collision and the divisor of contending window after a successful transmission, respectively, which is capable of reducing collision probability and improving channel utilization.

QIQD通过分段二次曲线计算数据帧碰撞冲突后增大竞争窗口的倍乘因子和数据帧成功传输后减小竞争窗口的倍除因子，从而能够降低碰撞概率和提高信道利用率。

For the application of Mathematica in the differential geometry,this paper introduces how to processe the curve curvature and the torsion questions,the graphic expression of the curvature and the torsions,and draw curves by the curvature and the torsions. Curvature ; torsion ; solution curve ; osculating plane ; natural parameter ; natural equation

利用Mathematica，只要输入有关系统命令就可以得到期望的结果。1曲率和挠率及其图形意义假设R3上的曲线一般参数表示为r=r它的曲率和挠率计算公式是：κ=‖r′×r"‖‖r′‖3τ=‖r′×r‖我们知道，空间曲线r=r在一点(s=s0)邻近的近似方程为ξ=sη=120κs2ζ=160κ0τs3通过近似方程可以确定曲线在其基本三棱形的三个平面(即密切平面，法平面，从切平面)上的投

In order to reconstruct the state variables precisely, the observers pole is placed on the negative real-axis in the complex plane and in the flat range on the curves.

由小车吊重开环系统动力学特性和开环系统的极点在复平面的分布形态，开环系统本身是不稳定的。

To reconstruct the state variables precisely, the observer s pole is placed on the negative real-axis in the complex plane, and in the flat range on the curves ofobservation time vs.

为了使观测器精确重构状态变量，将观测器的极点配置在复平面负实轴上，观测器极点分布与观测时间关系曲线的平缓变化区域。

In granularity characteristic of sediment, after typhoon attacking, beach sediment incline to coarse, gravel content added, but part beach sediment show fine, sediment sorting becomes worse, skewness value minished, skewness changes to negative skewness direction, kurtosis value increased, the curves of sediment frequency distributing display double apices.

在沉积物粒度特征上，风后海滩沉积物以粗化现象为主，砾石含量增加，部分海滩沉积物出现细化现象，沉积物分选性变差，偏态值减小，偏态向负偏方向变化，峰态值增加，风后沉积物频率分布曲线多双峰分布。

The dissecting of samples in group2 were difficult. The root of pulmonary artery and ascending aorta failed to be unfolded because fibrous tissue was tough, right and left fibrous trigone were too firm to be solved by hand. Cardiac muscle fibers couldn't be stripped along myofibrillar trajectory since they were prone to break because of their friability.

组2的心脏解剖困难，表现为纤维组织坚韧，游离肺动脉非常困难；徒手无法松解左、右纤维三角，肺动脉和主动脉根部的游离非常困难；心肌纤维坚硬、质脆，解剖时容易断离成碎块，无法沿纤维走行方向剥离。

We have battled against the odds in a province that has become increasingly violent.

我们对在一个争夺日益激烈省的可能性。