在以上格式的基础上给每一条数据都添加上序号

好的，以下是每一条参考文献添加序号后的标准毕业论文格式：

1. Harish, M. S., & Venugopal, K. R. (2011). FPGA-based Digital Clock Design. International Journal of Computer Applications, 27(2), 1-5.

2. Li, S., Wang, X., & Li, S. (2013). Design and Implementation of Digital Clock with FPGA. Journal of Software Engineering and Applications, 6(12), 513-517.

3. Li, X. (2013). Design and Implementation of Digital Clock Based on FPGA. International Journal of Emerging Technology and Advanced Engineering, 3(5), 489-492.

4. Rai, T. S., & Singh, A. (2013). FPGA Implementation of Digital Clock with Alarm Feature. International Journal of Advanced Research in Computer Science and Software Engineering, 3(5), 724-728.

5. Reddy, K. S., & Patil, M. R. (2013). Design and Implementation of a Digital Clock with Temperature Monitoring and Display using FPGA. International Journal of Computer Applications, 63(3), 47-51.

注：以上参考文献的格式采用的是APA格式，包括序号、作者、年份、文章标题、期刊名、卷号、期号、页码等信息。