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- The government is planning to invest billions in a system of canals, pipelines and aqueducts to divert water from the soggy south to the parched north. 政府正在计划投资几十亿建一个由水渠、水管和高架水道购成的系统，将水从潮湿的南方转移到干旱的北方。
- On these islands a system of barter is used. 在这些岛上仍然实行着物物交换的制度。
- A practitioner of a system of logic. 逻辑学家使用某一逻辑体系的人
- Advocacy of such a system of government. 联邦主义这种政府体制的主张
- A system of canals. 运河系统
- A system of roads radiates from the town center. 一个道路网从镇中心向四面八方伸展出去。
- A system of optical components that magnifies. 能起放大作用的一组光学元件
- A system of pipes, such as those used in plumbing. 管道，管线，管道网一管道系统，如那些用来铺设铅管的
- The lifting device is a system of rope and pulley. 这种起重装置是由缆索和滑轮组成的。
- A system of shorthand based on phonetic transcription. 表音速记法基于语音表述的速记方法
- Language is a system of signs that express ideas. 语音是一种表达观念的符号系统。
- A system of secret or cipher writing; a cipher. 密码一种秘密的或用密码书写的系统；密码
- A system of pipes,such as those used in plumbing. 管道，管线，管道网一管道系统，如那些用来铺设铅管的
- To establish a system of joint meeting. 建立联席会议制度。
- Two things are outstanding in the creation of the English system of canals. 在创建英国运河体系的过程中,有两件事是非常突出的。
- Such a symbol used in a system of numeration. 位（数）用于计算系统的符号
- Of or based on a system of coordinates. 坐标:坐标系的或基于坐标系的。
- A line that intersects a system of other lines. 截线一条与其它一系列线相交的线
- A protective casing for a system of gears. 齿轮箱一种保护性的箱子，用来存放一套齿轮
- A system of measurement, such as the metric system. 计量制，如公制
