renewal corrective maintenance

例句：

1. 1. The company has made significant strides in its technological innovations.
   该公司在技术创新方面取得了重大进展。
2. 2.The software needs to be updated regularly to ensure optimal performance.
   软件需要定期更新，以确保最佳性能。
3. 3. The old building was renovated into a modern apartment complex.
   这座老建筑被翻新成了现代公寓楼。
4. 1. The doctor prescribed the medication for corrective purposes.
   医生开药是为了纠正目的。
5. 2. The teacher corrected the student's mistakes during the test.
   老师在考试中纠正了学生的错误。
6. 3. The engineer used the data to rectify the system's errors.
   工程师利用数据来纠正系统的误差。