1) reciprocal radius
半径倒数
2) groove fillet radius
内倒角半径
3) tooth side radius
齿倒圆半径
4) chamfer radius run-out
倒角半径跳动
5) radial dimension
半径维数
1.
In the early 1990s Frankhouser discovered the powerlaw relationship between the length L(r) of railway networks and the radius(r) of an area,and calculated the radial dimension value when he investigated the sub-railway in Stuttgart.
基于分形理论,以GIS技术为支撑,利用回转半径法测算了广东省全域及其所辖21个地级市公路交通网络半径维数DL、分枝维数Db和对应相关系数R2。
6) numerical radius
数值半径
1.
Form definition of the numerical radius r(K(A))and decomposable numerical radius r_x(A),two matrix inequalities involving the numerical radius r(K(A)),the decomposable numerical radius r_x(A),the norm‖A‖_2 and the generalized matrix function d_x~.
本文从K(A)的数值半径Υ(K(A))和可分数值半径Υ_x(K(A))定义出发,研究了Υ(K(A))、Υ_x(K(A))与范数||A||_p(1≤p≤2)、广义矩阵函数d_x~G(A)的关系,得到了它们之间的两个不等式。
2.
By using the properties of tensor product and numerical radius of matrix,for any n×n matrices A1,…,Ak∈L(U),the inequalityr(A1…Ak)≥∏ from i=1 to k r(Ai) and for any two n×n matrices A,B∈L(U),the equality r(AB)=r(BA) is certainly hold are proved.
借助矩阵张量积和矩阵数值半径的性质,证明了不等式r(A1…Ak)≥∏from i=1 to k r(Ai)和等式r(AB)=r(BA),其中A1,…,Ak,A,B∈L(U)。
3.
In the paper the generalized numerical radiuses of real quaternion matrices with symmetric function are defined and theirs inequalities are given.
本文定义了带有对称函数的实四无数矩阵的广义数值半径并得到了它们所满足的不等式 。
补充资料：半径
半径
radius
半径[口成‘s;p明I.yc】，国的或球面的 连接圆上(或球面上)一点与圆心(或球心)的线段.这个线段的长度也称为半径.BC3一3【补注】关于曲线、曲面、高维微分几何对象的曲率半径(m由比of eurvature)，例如见曲率(eurvature)和微分几何学(djfferenhalg印服try).
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