| Subject | English | Chinese |
| math. | PL/I programming language /one | 是一个汇集型的通用语言程序设计语言/I |
| el. | programming language one | PL/1语言 |
| el. | programming language one | 程序设计语言/1 |
| el. | programming language one extraction analysis PL/1 | 语言析取分析 |
| telecom. | Programming Language/one | IBM 公司 1964-1969 年设计的 PL/1语言 |