1) New and Old System
新旧系统
3) traditional and new grammatical systems
新旧体系
4) old system
旧系统
1.
The method of transformation of the medical record information from the old system to the new system;
病案首页信息从旧系统转换到新系统的方法研究
5) existing building heating system
旧供暖系统
1.
A way of indirect household heat metering in existing building heating system;
适合于已建住宅旧供暖系统的一种间接分户计量方式
6) relationship between new and old abutments
新旧墩台关系
补充资料：弃旧怜新
1.遗弃旧宠，爱恋新欢。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条