{"type": {"key": "/type/work"}, "title": "\u4e2d\u570b\u5730\u7406\u57fa\u790e\u654e\u7a0b", "subjects": ["Physical geography", "Economic conditions"], "subject_places": ["China"], "subject_times": ["1912-1949"], "authors": [{"type": {"key": "/type/author_role"}, "author": {"key": "/authors/OL3867624A"}}], "key": "/works/OL45820199W", "latest_revision": 1, "revision": 1, "created": {"type": "/type/datetime", "value": "2026-07-24T11:20:43.148098"}, "last_modified": {"type": "/type/datetime", "value": "2026-07-24T11:20:43.148098"}}