repeating circle中文什么意思

经纬仪度盘（复制盘）

• repeating:    adj. 反复的；循环的；连发的。 ...
• circle:    n. 1.圆；圆周；圈；环；环状物。 ...
• circle in:    圆形收缩

例句与用法

1. Farmers " decision - making process is a systematic , evolutional and repeating circle from acquainting knowledge and innovations on organic farming to practice and trials , value assessment and finally coming back to practice . in this process the farmers in the community are interactive and demonstration of small number of innovative farmers affects others " decision - making process directly ; 3 . the most serious problem in organic food production is that its value - added economic benefit could not be realized in the current agro - market ; 4
   面对有机农业这种全新的生产方式和理念，从总体上看，农户采纳有机食品生产方式的决策过程，是一个从了解到实践，从实践到价值评断，再从价值判断到实践的反复过程，在这个过程中，社区中的农户(民)之间是互动的、相互影响的，最主要的影响是极少部分人的示范作用，他们的示范作用对其它农户的决策起到直接的影响； 3

百科释义

The repeating circle is an instrument for geodetic surveying, invented by Etienne Lenoir in 1784,Daumas, Maurice, Scientific Instruments of the Seventeenth and Eighteenth Centuries and Their Makers, Portman Books, London 1989 ISBN 978-0-7134-0727-3 while an assistant of Jean-Charles de Borda, who later improved the instrument. It was notable as being the equal of the great theodolite created by the renowned instrument maker, Jesse Ramsden.