2) nodule characteristics
根瘤特性
3) Eigenvalues
特征根
1.
A Computational Solution to Eigenvalues of Functional Determinants;
函数行列式特征根的一种计算机求解方法
2.
The Eigenvalues of Some Specialmatrices in Minkowski Space;
闵科夫斯基内积空间上矩阵的特征根
3.
Many methods of electro-mechanical mode eigenvalues calculation based on iterative need more exact initial values of system eigenvalues,but the existing fast calculation method ignores the resistance and the asymmetry of system matrix,so the result of estimation has some errors which maybe determine the stability of power system when the error belongs to the key weak damping mode.
现有的机电模式特征根快速估算方法在计算过程中忽略了系统电阻和系统状态矩阵的不对称性,因此会给计算结果带来一定的误差,尤其是对于一些弱阻尼关键模式,这些误差可能决定着系统的稳定性。
4) Characteristic roots
特征根
1.
This paper has derived characteristic roots of a class sparse symmetric matrix from using decreasing order method.
用降阶方法求出了一类稀疏对称矩阵的特征根及特征向量，与ＱＲ方法，直接使用Ｊａｃｏｂｉ方法相比较节省了相当大的计算量。
2.
The basic equations for the transient two phase cavitation flow are formulated and three conditions of the characteristic roots of the basic equations are discussed, namely, a.
建立了气穴瞬变流基本方程，并重点讨论了下述三种情况的基本方程的特征根问题：ａ。
3.
This paper discusses the solution of characteristic roots for a four -order analytic square matrix in a stationary coordinate axis system for victor speed control system of asynchronous motor of a flux observer.
对磁通观测器异步电机矢量调速系统中静止坐标轴系下分析系统稳定性时出现的4阶解析式正方矩阵求解特征根的方法进行探讨,提出了用I,J矩阵变换,解决了一般常规方法难以求解的问题。
5) characteristic root
特征根
1.
Matrix and the Characteristic Root of its High-time Accompany Matrix;
矩阵与其高次伴随矩阵的特征根
2.
The study on circle section of quadric surface by the characteristic root;
利用特征根研究二次曲面的圆截面问题
6) mycorrhizal characteristics
菌根特征
1.
Mycorrhizal characteristics of Dendrobium officinale were observed under microscope.
从细胞学水平上研究了人工栽培铁皮石斛的菌根特征。
补充资料：根瘤
生长在豆科植物根部的球状小瘤，由根瘤菌侵入根部形成。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条