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{"embedding_dim": 1024, "data": [{"__id__": "rel-e49a902ae41995414f26180b853de9fd", "__created_at__": 1752040429, "src_id": "东北师范大学数学与统计学院", "tgt_id": "史宁中", "content": "东北师范大学数学与统计学院\t史宁中\nacademic affiliation,authorship\nShi Ningzhong is affiliated with the Northeast Normal University's School of Mathematics and Statistics.", "source_id": "chunk-077f3fe9070c0d50896deaf218c86bde", "file_path": "unknown_source"}, {"__id__": "rel-93320dab568cd081c124e6d936dab3ee", "__created_at__": 1752040429, "src_id": "史宁中", "tgt_id": "小学数学教学中的若干问题", "content": "史宁中\t小学数学教学中的若干问题\nauthorship,educational content\nShi Ningzhong authored the document discussing issues in elementary mathematics education.", "source_id": "chunk-077f3fe9070c0d50896deaf218c86bde", "file_path": "unknown_source"}, {"__id__": "rel-33982d0d357689cacc9efa10fa8f1f48", "__created_at__": 1752040429, "src_id": "数的认识", "tgt_id": "数的运算", "content": "数的认识\t数的运算\nfoundational knowledge,mathematical concepts\nThe understanding of numbers (数的认识) is foundational to the arithmetic operations discussed in数的运算.", "source_id": "chunk-077f3fe9070c0d50896deaf218c86bde", "file_path": "unknown_source"}, {"__id__": "rel-7725d8810660ea1cc20daa8f704bac47", "__created_at__": 1752040429, "src_id": "图形与几何", "tgt_id": "数的运算", "content": "图形与几何\t数的运算\ninterdisciplinary topics,mathematics curriculum\nGeometric concepts (图形与几何) and arithmetic operations (数的运算) are both essential components of elementary mathematics education.", "source_id": "chunk-077f3fe9070c0d50896deaf218c86bde", "file_path": "unknown_source"}, {"__id__": "rel-5f3b480f106fdc0687a723992966b9bd", "__created_at__": 1752040429, "src_id": "数的运算", "tgt_id": "统计与概率", "content": "数的运算\t统计与概率\ndata analysis,mathematical applications\nStatistical concepts (统计与概率) often build upon arithmetic operations (数的运算) for data analysis.", "source_id": "chunk-077f3fe9070c0d50896deaf218c86bde", "file_path": "unknown_source"}, {"__id__": "rel-4d974eca58326771897b4f2dfa34e659", "__created_at__": 1752040429, "src_id": "数量", "tgt_id": "自然数", "content": "数量\t自然数\nabstraction,number theory,抽象层级,数学基础\nNatural numbers are abstracted from quantities, establishing foundational numerical concepts.<SEP>自然数是对数量的更高层次抽象，剥离了具体背景和名词后缀，形成数学研究对象。", "source_id": "chunk-077f3fe9070c0d50896deaf218c86bde<SEP>chunk-d7264225129bf61ebaaae2eb63249861", "file_path": "unknown_source"}, {"__id__": "rel-61e64940960258a787ea333afa7a2f6e", "__created_at__": 1752040429, "src_id": "数量关系", "tgt_id": "自然数", "content": "数量关系\t自然数\nmathematical reasoning,quantitative abstraction\nNumber relationships abstract quantitative comparisons (more/less) into numerical comparisons (greater/lesser).", "source_id": "chunk-077f3fe9070c0d50896deaf218c86bde", "file_path": "unknown_source"}, {"__id__": "rel-d65ef85e53445ef480f52e40ae2a125d", "__created_at__": 1752040429, "src_id": "数位", "tgt_id": "自然数", "content": "数位\t自然数\nbase-10 system,infinity management,numerical representation,symbolic efficiency\nPlace value enables the representation of all natural numbers despite their infinite quantity, by combining limited symbols with positional notation.<SEP>Place value system is crucial for representing and operating with natural numbers.", "source_id": "chunk-077f3fe9070c0d50896deaf218c86bde<SEP>chunk-2b803f52811c47a36d9c3c7c9900a33c", "file_path": "unknown_source"}, {"__id__": "rel-c6d26f1fbcb51101423e425630b90e79", "__created_at__": 1752040429, "src_id": "减法", "tgt_id": "加法", "content": "减法\t加法\narithmetic,arithmetic operations,inverse operations,inverse relationships\nSubtraction is defined as the inverse operation of addition in the set of integers.<S
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