rigorous analysis

例句：

1. 1.The teacher gave us a rigorous test to assess our understanding of the material.
   老师给我们一个严格的测试来评估我们对材料的理解。
2. 2.The research was rigorous in its methodology and analysis.
   这项研究在方法论和分析上都是严格的。
3. 3.He is known for his rigorous approach to problem-solving.
   他以其对解决问题的严格方法而闻名。