{ "node_id": "web-2093bba6e20c485d98024006efd47737", "keywords": [], "children": [ { "统计学": { "keywords": [], "children": [], "keywords_must": [], "keywords_forbid": [], "node_id": "web-89a94486f97d4c28a16c45dd73ea68bc" } }, { "平面几何": { "keywords": [], "children": [], "keywords_must": [], "keywords_forbid": [], "node_id": "web-49714c99618d4cb1bb4f28c6cd9952ee" } }, { "线性代数": { "keywords": [], "children": [], "keywords_must": [], "keywords_forbid": [], "node_id": "web-8012e6ef14314d6eabd997311899f06f" } }, { "离散数学": { "keywords": [], "children": [], "keywords_must": [], "keywords_forbid": [], "node_id": "web-3a8f3ad7984943b5871d5190d3db9368" } } ], "export": [], "keywords_must": [], "keywords_forbid": [] }