| Subject | English | Chinese |
| anim.husb. | restriction modification system | 限制修饰系统 |
| biochem. | restriction modification system | 简称限制系统 (restriction system) |
| tech. | restriction modification system | 限制修正系统 |
| genet. | restriction-modification system | 限制修饰系统 (R-M 系统) |
| biotechn. | restriction-modification system | 限制-修饰系统 |
| agric. | restriction-modification system | 限制-修饰系统 (R - M system) |