稠密子集

metrically convex subset

度量凸子集

metric topology 度量拓扑 | metrically convex subset 度量凸子集 | metrically dense 度量的稠密

dense set

稠密集[合]

重火石玻璃 dense flint | 稠密集[合] dense set | 稠密子集[合] dense subset

nowhere dense set

无处稠密点集

nowhere dense 无处稠密的 | nowhere dense set 无处稠密点集 | nowhere dense subset 无处稠密子集

dense subset

稠密子集[合]

稠密集[合] dense set | 稠密子集[合] dense subset | 稠密系 dense system

nowhere dense subset

无处稠密子集

nowhere dense set 无处稠密点集 | nowhere dense subset 无处稠密子集 | nuclear operator 核算子

Dense

稠密

满足的图,称为稀疏(sparse)图;反之,称为稠密(dense)图. 简单图G中长度为奇数和偶数的圈分别称为奇圈(odd cycle)和偶圈(even cycle). 边割集(edge cut set):边集,若G删除了后不连通,但删除了的任意真子集后G仍然连通. 则称点割集.

metrically dense

度量的稠密

metrically convex subset 度量凸子集 | metrically dense 度量的稠密 | metrizability 可度量性

nondense set

非稠密集

non-degenerate conic section 非退化二次曲线 | nondense set 非稠密集 | nondense subset 非稠密子集

nondense subset

非稠密子集

nondense set 非稠密集 | nondense subset 非稠密子集 | non-denum erability 可性

dense subgraph

稠密子图

dense structure 致密结构 | dense subgraph 稠密子图 | dense subset 稠密子集

The Shop Around the Corner：街角商店

上错天堂投错胎Heaven Can Wait (1943) | 街角商店The Shop Around the Corner (1940) | 妮诺奇嘉Ninotchka (1939)

neigher nor gate：既非又不闸

"邻区最佳控制","neighboring optimal control" | "既非又不闸","neigher nor gate" | "内利亚克编译程式","NELIAC; naval electronics laboratory international algebraic complier"