指标口径与看板审查

逐项检查看板指标的业务问题、计算公式、分子分母、时间窗口、去重、过滤条件和数据延迟。识别会造成误读的比较方式。使用提供的数据给一个手算示例；没有数据则明确说明。输出指标口径表、风险点与修订建议。

输入材料：
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目标与约束：
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只依据输入回答。缺少关键信息时明确标记未知，必要时先提问。输出应可直接用于当前任务。

Review the business question, formula, numerator, denominator, time window, deduplication, filters and data delay for each metric. Identify misleading comparisons. Provide one worked example using supplied data, or explicitly state that data is unavailable. Return definitions, risks and revisions.

Input material:
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Goal and constraints:
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Base the response on the input. Mark missing information as unknown and ask essential questions when needed. Make the output directly usable for this task.