电气化铁道弓网磨耗特性
wear characteristic of catenary
漆膜磨耗值
painting film wearing and consuming value
CIERGB特征值
CIE RGB characteristic value
Dirichlet特征值问题
Dirichlet eigenvalue problem
Hessain矩阵特征值
eigenvalues of Hessian matrix
Laplace算子的第一特征值
the first eigenvalue of the Laplace operator
the first eigenvalue of the Laplacian