2) triple-layer space truss
三层网架
1.
The vertical earthquake responses analysis of leaning-laid pyramid triple-layer space trusses;
斜搁四角锥三层网架的竖向地震响应分析
2.
The structure characteristic analysis for pyramid system triple-layer space trusses;
四角锥体系三层网架的结构特性分析
3.
For the advantages of larger stiffness, reasonable distribution of internal force, favorable technical economic characteristics and manufacture convenient etc, triple-layer space trusses are used increasing widely in large span space structures.
三层网架是双层网架的有机组合，是空间结构领域的又一重要开拓。
3) three-layer network
三层网络
1.
This paper analyses the character of controlling system of Motor based on the network control structure of Rockwell Automation s three-layer network,it analyses hardware and software of system by connecting system.
依据罗克韦尔自动化的三层网络的网络控制结构,分析了基于设备网的电机控制系统,并结合系统对系统硬件和软件加以论述。
2.
The research depends on the three-layer network platforms of Rockwell Automation laboratory in China Jiliang University.
本课题借助中国计量学院机电工程学院罗克韦尔自动化实验室的三层网络平台，设计完成了基于ROCKWELL三层网络的电机控制系统。
4) one network with three layers
一网三层
1.
Based on the implementation of urban planning management platform with one network with three layers in Guangzhou, the article explores its objectives, implementation strategy and method.
本文通过对广州市建立“一网三层”城市规划管理平台工作的实践。
5) drift trammel net
三层流网
6) trammel net
三层曳网
补充资料：三层大，二层小
1.谓家庭中人口众杂，上辈之上还有上辈，下辈下面还有下辈。
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