backward chained reasoning

例句：

1. 1.The scientist used backward chained reasoning to explain the phenomenon.
   科学家使用反向链式推理来解释这一现象。
2. 2. In his research, he relied on backward chained reasoning to solve complex problems.
   在他的研究中，他依靠反向链式推理来解决复杂的问题。
3. 3.The professor explained the concept using backward chained reasoning to illustrate its importance.
   教授用反向链式推理来解释这个概念的重要性。