您要查找的是不是：
- These may eventually coalesce to form an anastomosing system of channel sands within a broad valley. 最后它们在宽阔的河谷内连接起来,形成一个交织的河道砂系统。
- 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
- The two systems of government are polar opposites. 这两种政体正好相反。
- I prefer this system of teaching English. 我喜欢这一种英语教授方法。
- The demonstrated device, which takes advantage of a physical principle called ratcheting, is a very tiny system of channels for cell locomotion. 这一利用了一种称为ratcheting效应的物理学原理的技术实际上是一个极其精细的系统，由许多细胞运动的通道组成。
- 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。
- Satellite radar imaging has revealed a system of more than 800 kilometers of channels, some more than 5 kilometers wide, now buried under the sands. 卫星雷达图像显示，有一个长800多公里、宽约5公里多的河道系统掩埋于现在的沙漠之下。
- 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
- 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
- A law court or system of law courts; a judiciary. 司法，司法系统法庭或法庭制度; 司法系统，司法部
- The monetary system of some countries used to be based on gold. 过去有些国家的货币制度是金本位制的。
- Britain changed to a metric system of currency in 1970. 1970年,英国已改用公制货币。
- A new system of taxation will be brought into effect next year. 新的税收制度将于明年实行。
- Any system of government by free election naturally lends itself to misuse. 任何自由选举政府的制度都自然而然地可能遭到滥用。
- The measurement system of channel flow based on GSM short message service 基于GSM短信息的灌区明渠测流系统
