Unverified75% confidenceTradeoffTime unknown
题量并非越多越好:单本超过300题往往意味着难度跨度过大或印刷密集牺牲了格子尺寸。系统学习建议选'按难度分册'的套装而非单本超大合集
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Unverified格数并非越多越好,13格/24格看似分类细但每格可容纳厚度变薄,单格塞超过30张A4纸就会挤压相邻格难以取放,文件量大反而应选格数少但每格宽的款式77% similarUnverified无分级难度设计、字序随机排列的『大合集』识字卡不建议作为主力:缺乏由象形字到形声字的难度梯度会打乱学习曲线,优先选按笔画数或字频分级、可拆分成小组学习的产品76% similarUnverified格数多方便分类归档,但单格容量有限,每格放入较多纸张后展开困难、取放不便76% similarUnverified图文越精美清晰的手册往往开本越大越重,追求极致便携的卡片式手册会牺牲图示细节,两者难以兼得75% similarUnverified字库越大单张信息密度越高、卡片越多,但幼儿单次专注仅能处理5-10张;追求'2000字大字库'反而降低使用频率,分册分级设计比总量更重要73% similar
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