AI / Learning & Research

Make figure captions self-contained

Make figure captions self-contained — Chinese original prompt

图表标题是 [标题]，内容是 [描述]。请改写成规范标题：说清变量、样本、时间、统计信息，不加解释性结论。再给三条注释写法（缩写说明、显著性标记、数据来源），并指出原标题的歧义在哪。