{"id":"think_classical_barcroft_dimension_reduction","name":"巴克罗夫特单一变量降维卡片","dimension":"think","school":"classical","description":"将庞大繁杂的科研课题化整为零，严格剥离次要干扰项，降维提炼出唯一可验证的微观单一变量。","parameters_schema":{"properties":{"complex_problem":{"description":"复杂问题背景陈述","type":"string"}},"required":["complex_problem"],"type":"object"},"output_schema":{"properties":{"isolated_variable":{"type":"string"},"rationale":{"type":"string"}},"type":"object"},"default_timeout_secs":20,"tags":["巴克罗夫特","单一变量","极简降维"],"origin_chapter":"第 04 篇：巴克罗夫特极简要素法"}