CTU

例句：

1. 1. CTU stands for "Certified Training Unit" in the field of aviation safety.
   CTU是航空安全领域的认证培训单元。
2. 2. In the context of education, CTU refers to a comprehensive training program designed to improve students' academic performance.
   在教育领域，CTU是指一个旨在提高学生学业成绩的综合培训项目。
3. 3. The CTU is responsible for monitoring and enforcing regulations related to the use of electronic devices in schools.
   CTU负责监督和执行与学校使用电子设备相关的规定。