二阶: second order矩: carpenter's square; square r ...范: pattern; mould; matrix数: frequently; repeatedly二阶矩: second moment; secondary moment; secondarymoment二阶矩量: second moment二阶矩准则: second-moment criterion任意指定位置的中心矩和二阶矩: central and ordinary moments of any order location: x, y范数: norm二阶: [数学] second orderk阶矩: k th moment阶矩阵: n-matrix零阶矩: zeroth moment三阶矩: third moment一阶矩: first moment变矩范围: torque conversion range转矩范围: torque range半范数: halbnorm seminorm; seminorm核范数: nuclear norm迹范数: trace norm拟范数: quasi norm伪范数: pseudonorm整范数: integral norm主范数: principal norm附加一阶矩: additional first moment
