moving block principle

例句：

1. 1. The company's new policy is based on the moving block principle.
   该公司的新政策是基于移动块原则的。
2. 2. The engineer explained the moving block principle to the students.
   工程师向学生们解释了移动块原则。
3. 3. The moving block principle is a useful tool for managing complex systems.
   移动块原则是一种管理复杂系统的有用工具。