Cram's rule

例句：

1. 1.The teacher explained the concept using Cram's rule, which helped us understand the material better.
   老师用克拉默规则解释了这个概念，这让我们更好地理解了材料。
2. 2.Students often use Cram's rule to memorize vocabulary in their studies.
   学生经常使用克拉默规则来记忆学习中的词汇。
3. 3.The Cram's rule is a useful tool for students to learn and remember new information efficiently.
   克拉默规则是学生学习和记忆新信息的有效工具。