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- 开放L系统 open L system
- L系统 L-system
- 三维L系统 3D L system
- 系统地讨论了确定L-系统、随机L-系统、参数化随机L-系绞、上下文相关L-系统、开放L-系统，分析了它们各自的表达特点以及不同的L-系统在虚拟植物生长方面的应用； Those usual forms of L-system, such as DOL-system, stochastic OL-system, parametric-stochastic L-system and context-sensitive L-system, were discussed systematically and their expression character were analyzed respectively, which were applied for simulating plant growth.
- 参数L系统 parametric L-system
- 扩展L系统 MELS
- 生态系统 ecological system
- 微分L系统 differential L-systems
- 免疫系统 immunologic system
- 管理系统 managerial system
- 电力系统 electric power system
- 改进L系统 improved L-system
- 神经系统 nervous system
- 电脑系统 computer system
- 管理信息系统 management information system
- 电气系统 electrical system
- 排水系统 drainage system
- 嵌入式系统 embedded system
- 通讯系统 communication system
- 泌尿系统 urinary system
