Read Edit View history 子空间 zǐkōngjiān subspace Origin Definitions Defs Strokes Stroke Words Sentences Sents created sense approved 子空间/子空間 · zǐkōngjiān · subspace 2026/03/04 子空间 / 子空間 zǐkōngjiān subspace (math.) subspace 任何向量空间的子空间都必须包含零向量。 noun created sense Mar 4, 2026, 02:25 AM