Regh雷格regabbr.地区（=region）abbr.登记（=register）abbr.有规则的（=regular）regulating pole调整极Regulatory plan控制性详细规划regulatory file规范性文件regulatory gene调节基因regulating stem调节杆Regan isoenzyme里甘同功酶regulating weir调节堰reglevting disc反射盘regulatory cost监管成本regulator cover调节器盖