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- system of open sets 开集系
- On either side a chequer of open ditches showed where the municipal constructors had designed a system of drainage. 马路两旁纵横交错的阴沟说明承包市政工程的商人曾计划在那里修建排水系统。
- On either side a checker of open ditches showed where the municipal constructors had designed a system of drainage. 马路两旁纵横交错的阴沟说明承包市政工程的商人曾计划在那里修建排水系统。
- The library is a important part in learning supporting service system of open education,which plays an unreplaceable role in modern open education. 图书馆是开放教育学生学习支持服务体系的重要组成部分,在现代远程教育中有着十分重要的地位和不可替代的作用。
- 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。
- The Open University of Hong Kong (OUHK),established in 1989 as the Open Learning Institute of Hong Kong,makes higher education available to all through a system of open access and distance education. 香港公开大学原称香港公开进修学院，于一九八九年成立，以公开及遥距模式，为市民提供接受高等教育的机会。
- The two systems of government are polar opposites. 这两种政体正好相反。
- Secondly,the appointment of directors is mainly on the basis of open competition and competitive selection among other ways. A system of target responsibility is adopted for their terms of office. 二是采用公开竞争、择优聘任为主的多种形式任用医院院长，实行院长任期目标责任制。
- A practitioner of a system of logic. 逻辑学家使用某一逻辑体系的人
- The Open University of Hong Kong (OUHK), established in 1989 as the Open Learning Institute of Hong Kong, makes higher education available to all through a system of open access and distance education. 香港公开大学原称香港公开进修学院，于一九八九年成立，以公开及遥距模式，为市民提供接受高等教育的机会。
- Advocacy of such a system of government. 联邦主义这种政府体制的主张
- I prefer this system of teaching English. 我喜欢这一种英语教授方法。
- 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 pulley or a system of pulleys set in a casing. 滑轮，滑轮组安装在机械外壳中的滑轮或滑轮组
- 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 bone structure or system of an animal. 骨结构动物的骨构造或系统
- Oil field region is a complex ecological system of industry and nature with the characteristic of opening, frangibility and complexity. 油田区域是工业和自然的复合生态系统，类型比较复杂，并具有开放性，脆弱性和复合型的特点。
- The optical system of the eye stimulate cell of the retina. 眼睛的视觉系统刺激视网膜内的细胞。
- A cable or system of cables for a cable car. 缆索缆车的一根缆绳或索道系统
