checkboard test

例句：

1. 1. The checkboard test is a useful tool for identifying patterns in data.
   棋盘测试是一种识别数据中模式的有用工具。
2. 2. The teacher used the checkboard test to help the students understand the concept of symmetry.
   老师使用棋盘测试帮助学生们理解对称的概念。
3. 3. During the checkboard test, the students were asked to identify the missing numbers and fill in the gaps.
   在棋盘测试期间，学生们被要求找出缺失的数字并填写空白处。