查询词典 quadratics

Perfect square trinomials are the quadratics that can be factored into two identical binomials.

于是，Perfect Square扩展到指可以分解成二项式的平方的三项式。

The five factors square quadratics rotational regression combination design was used in this experiment.

采用五因素二元正交旋转试验设计，进行密度、氮肥、磷肥、钾肥、锌肥对小麦面筋含量影响的研究。

The main contributions are included as follows: the first, the research of technology of parametric model and establishment of part library, the second, the study of the technology of automatic assembly, the third, the study of functions of Unigraphics and approach of quadratics exploitation of UG .Used this technology in transmission CAD system, the fourth, the establishment of the parametric transmission CAD system using technology of automatic assembly.

本课题主要工作包括以下几个方面：第一，研究分析参数化特征造型技术的理论，并且将此理论应用于零件库的建立，总结零件库的多种实现方法；第二，分析研究机械产品自动装配技术的实现；第三，研究分析UG软件的功能和对其进行二次开发的途径和技巧，以及该软件在变速器CAD系统中的应用；第四，将参数化特征造型技术和自动装配技术的理论，结合UG软件的二次开发，应用于变速器CAD系统中。

The experimental method of the three-factor quadratics rotary orthogonal combination was adopted to establish the relationship between performance function and each factor, and the effects of each factor on the drying moisture uniformity were investigated.

通过三因素二次回归正交旋转组合试验，建立热风温度、表现风速和谷层厚度与干燥均匀度的回归方程，分析各因素对干燥均匀度的影响，利用贡献率法确定因素的主次关系为热风温度＞表现风速＞谷层厚度。

For study of relevant factors which influence the wet-heating processing,the experimental method of the quadratics rotary orthogonal combination was adopted,and three evaluation indexes(gelatinization,unit weight and material powder) were applied in the experiment.

对影响高水分玉米热风加热压片的因素，利用正交旋转组合设计的方法，以玉米片糊化度、容重、碎粉率为评价指标进行了试验研究。

The main topics are: determinants, matrices, rank of a matrix, vector spaces, linear equations, eigenvalues and eigenvectors, quadratics.

本课程的基本内容有行列式、矩阵、向量空间、线性方程组、矩阵的特征值与特征向量、二次型。

Linearizing a nonlinear power system with TCSC and applying the linear optimal control technique which possesses the quadratics index to the linearlized system, a TCSC stability controller is designed.

运用逆系统方法将含可控串联补偿电容器的非线性电力系统线性化，并且对该线性化的系统运用具有二次型性能指标的线性最优控制方法设计了 TCSC的稳定控制器。

Considering the influence of quadratics, the entrance and exit plans of the dipoles are made conicoids, the dipoles not only can deflex ions, but also can focus at the entries and disperse the ion at the exits.

考虑高阶分量的影响，二级偏转磁铁的入口和出口极面采用二次曲面形状，除使磁铁起偏转作用外，还有聚焦和发散的功能。

For optimization parameters in structure and motion,the experimental method for the five-factor quadratics rotary orthogonal combination was adopted,and two evaluation indexes(mixing homogeneity and material powder) were applied in the experiment.

为了优化其结构与运动参数，采用二次回归正交旋转组合试验设计对5个试验因素进行了混合均匀度及物料细粉率作为指标的试验研究，得出了其结构与运动参数的合理组合，即揉搓转子转速宜取40~50 r/m in、剪切转子转速宜取55~65 r/m in，转子间隙宜取11~13 mm，齿杆角度宜取5~°10，°混合时间宜小于10 m in，充满系数不应小于0.1。

The results shows that quantitive variety of microorganism corresponding with forest age is not remarkable, but very remarkable with soil depth; the variety of bacterism quantity corresponding with soil depth abides by Quadratics Ratio model, the quantitive variety of actinomyces and fungi corresponding with soil depth fit to index function.

癌细胞与正常细胞的荧光光谱、荧光寿命特性及荧光峰值强度随时间变化曲线相差十分明显，反映了癌细胞与正常细胞对血卟啉亲和特性有显著的差异，测量结果确认了荧光光谱技术诊断与治疗癌症的可行性，并对发展超短脉冲激光光谱技术早期诊断与治疗癌症具有重要的指导意义和临床应用价值。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。