1) double ring
双环
1.
Compared with the internal bracing systems of retaining for the deep foundation pit in the basement of certain mansion in Fuzhou,the advantages of retaining the construction of the foundation pit with the system of a double ring,a double layer and boring grout piles lie in its better stability,less displacement,larger site area and lower project cos t.
对福州某大厦地下室深基坑支护的几种内支撑体系的比较分析，采用双环双层内支撑体系与钻孔灌注桩共同组成的基坑支护结构，具有整体稳定性好、桩顶位移小、开挖工作面大、工程造价低的优点，解决了软土地基中地下室平面复杂、施工现场小，相邻建筑近的基坑支护问题。
2) Dual ring dual direction
双环双向
3) double cyclic rings
双循环环
4) 2 fiber bi-directional ring
双纤双向环
5) double cyclic codes
双环循环码
1.
In this paper,we first introduce the conception of quasi-cyclic codes,then thoroughly study the method of constructing quasi-cyclic codes,and finally discuss the connection between quasi-cyclic codes and double cyclic codes and the implementing method of double cyclic codes encoding circuit.
文章首先简述了准循环码的概念,然后较为深入地研究了准循环码生成方法,最后讨论了双环循环码与准循环码的关系及其编码的电路实现。
6) bicyclic fused
稠合双环
补充资料：双环
1.一对玉环。晋韩宣子有一玉环﹐得知另一环在郑﹐欲求购。环为郑国商人所有。郑子产曰﹕若予环﹐郑必有"强夺商人"之嫌﹔晋得环﹐亦必"失诸侯"。韩宣子终于不再求购。见《左传．昭公十六年》。后用为典实。 2.指女子的一对耳环。
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