阵

oriented matroid

定向拟阵

定向流形|oriented manifold | 定向拟阵|oriented matroid | 定向图|oriented graph

cycle matroid

循环矩阵胚, 圈拟阵

cycle matrix | 圈矩阵 | cycle matroid | 循环矩阵胚, 圈拟阵 | cycle of car movement | 货车周转时间

bipartite matroid

二部拟阵

bipartite cubic | 双枝三次曲线 | bipartite matroid | 二部拟阵 | bipartite | 双向的

moored array

锚系基阵

moored mine 锚雷 | moored array 锚系基阵 | moored floating body 锚泊浮体

non negative semidefinite matrix

非负半正定阵

non linear 非线性的 | non negative semidefinite matrix 非负半正定阵 | non oriented graph 无向图

nilpotent matrix

羃零[方]阵

羃零理想 nilpotent ideal | 羃零[方]阵 nilpotent matrix | 羃零算子 nilpotent operator

nocturnal myoclonus

夜间肌肉抽动、夜间肌抽跃、夜间肌肉阵挛病

夜尿症、尿床 Nocturnal enuresis | 夜间肌肉抽动、夜间肌抽跃、夜间肌肉阵挛病 Nocturnal myoclonus | 夜间阴茎勃起 Nocturnal penile tumescence

nocturnal myoclonus

夜间肌阵挛

nocturnal aphasia 夜间失语 | nocturnal myoclonus 夜间肌阵挛 | nocturnal 夜间

nonsingular matrix

非奇异阵

保证OLS解的存在性,唯一性,及求出的解是使得残差项平和(SSE)最小的解,证明的方法是通过矩阵X'X是非奇异阵(nonsingular matrix)及 正定(positive definite)来说明非齐次线性方程系统(heterogeneity linear equations system)的解的存在性及唯一性,

nonsingular matrix

非退化阵

nonsingular linear transformation 非退化线性变换 | nonsingular matrix 非退化阵 | nonspecial group 非特殊群

front slagging：前方除渣(熔铁炉)

"准星","front sight" | "前方除渣(熔铁炉)","front slagging" | "前弹簧","front spring"

make noise：吵闹、发出嘈杂声

85.see to照料、注意; | 86.make noise吵闹、发出嘈杂声; | 87.stare at凝视;