| PECL | Positive Emitter Coupled Logic | 正发射极耦合逻辑 |
| PECL | Principles of European Contract Law | 欧洲合同法原则 |
| PECL | PEAR (PHP Extension and Application Repository) Extended Code Language | PEAR（PHP扩展和应用程序库）扩展代码语言 |
| PECL | Positive-Referenced Emitter Coupled Logic | 正参考发射极耦合逻辑 |
| PECL | Pseudo-Emitter Coupled Logic | 伪发射极耦合逻辑 |
| PECL | Pseudo Emitter Coupled Logic | 伪发射极耦合逻辑 |
| PECL | PEAR EXTENDED C Library | PEAR扩展C库 |
| PECL | Plunger Enhanced Chamber Lift | 柱塞增强型腔室提升 |