查询词典 double root

The number a is called a double root of the polynomial function f.

数a称为多项式丞数f的二重根。

The incidence of double root canal is high in the single-rooted maxillary premolars.

上颌前磨牙单根双根管率较高，其根管峡部的发生率因此也较高。

No longer need or use a similar double root consisting of three drill pipe drilling means root, it can reduce the derrick height, the weight of the base can be reduced.

不再需要采用类似双根或三根钻杆构成的立根钻井方式，因此井架高度可以减小，底座的重量可以减轻。

To be specific,its generalized characteristic polynomial has positive double roots,which we proved further has only a double,root by using the affine transformation and inverse affine transformation.

为了更好地进行干涉判断，根据椭圆-椭圆外切的代数条件——广义特征多项式具有正的重根，以及进一步证明出的该正重根的唯一性结论，利用仿射变换和逆变换方法，推导出了椭圆-椭圆的不适合边界解析方程。

Lagrange interpolation focus on the application of the formula .The comparison between the method of Transform and that of Lagrange's interpolation formula in square matrix form is made. Also the form of Lagrange's interpolation formula is generalized to include the double root case.The application of the generalized lagrange's interpolation formula in square matrix to solving state equations is found to be effective.

重点介绍了Lagrange插值公式在状态方程求解中的应用，用对角矩阵及相似矩阵的性质证明了，当状态转移矩阵中方阵的特征根相异时，拉格朗日插值公式与Laplace变换法对表达具有一致性，并用极限方法对方阵含二重根时拉格朗日插值公式的应用进行了推导。

To be specific, its generalized characteristic polynomial has positive double roots, which we proved further has only a double, root by using the affine transformation and inverse affine transformation, his easy to detect interference accurately between two ellipses using NFB analytic equation.

根据该解析方程不仅可以直接对任意两个椭圆之间的干涉性做出精确判断，并且可由此绘出NFB的轨迹图，同时使用可视化方法给出了快速粗略的判断。

Whenp≠0 and q is an n -th primitive root of unity,H has an n~4 -dimensionalquotient algebra H_n isomorphic to DA_n(q~(-1),which is the Drinfeldquantum double of n~2 -dimensional Taft algebra Anq~(-1. This distinguishedproperty draws people's interesting on H .

由于当p≠0，q为n次本原单位根时，H有一个n~4 -维商代数H_n同构于n~2 -维Taft代数A_nq~(-1的Drinfeld quantum double DA_n(q~(-1)，这样一个很好的性质使人们对H表现出极大的兴趣。

The volumes of amalgam fillings (triple-surface) and pulpectomy increased after payment adjusted upward; the volume of endodontic treatment (single- and triple-root), complicated tooth extraction decreased after payment adjusted upward; amalgam fillings (single- and double-surface), endodontic treatment (double-root), simple odontodectomy showed inconsistent trends.

支付点数调整前后，银粉填充及乳牙根管治疗等两项医疗项目之服务量随支付点数调高而增加；恒牙根管治疗、复杂性拔牙等三项医疗项目之服务量随支付点数调高而减少；银粉填充、恒牙根管治疗、单纯齿切除术等四项医疗项目之服务量在支付点数调高后有增有减。

The expenditures of amalgam fillings (double- and triple-surface), endodontic treatment (single- and triple-root), pulpectomy, full mouth scaling, simple tooth extraction, simple odontodectomy, complicated odontodectomy increased after payment adjusted upward; the expenditures of amalgam fillings (single-surface), endodontic treatment (double-root), complicated tooth extraction showed inconsistent trends.

支付点数调整前后，银粉填充、恒牙根管治疗、乳牙根管治疗、简单性拔牙、单纯齿切除术、复杂齿切除术等八项医疗项目之实际给付金额随支付点数调高增加；银粉填充、恒牙根管治疗、复杂性拔牙等三项医疗项目之实际给付金额在支付点数调高之后有增有减。

By mean of congruence transformation, when root of a polynomial has zero-root or double-root, a method for diagonalization of some Bezout matrics is given in this paper.

主要通过合同关系，对Bezout矩阵中当多项式存在零根和存在二重根时的对角化问题进行分析，得到一些有意义的结论。

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。