1) layered cylinders
分层管
1.
In contrast to the one-layer cylinders, there are obvious differences of boundaries, the constraints and the state of the stress lying in the layered cylinders.
为此本文设计了分层结构金属管，用硝基甲烷从内部加载分层管。
2) hierarchical management
分层管理
1.
This paper introduces the technology of Mobile IP, indicates the shortcomings of it used in CDMA wireless network and discusses the hierarchical management idea.
介绍了移动IP技术 ,指出了传统移动IP技术在无线通信网中的不足 ,接着论述了分层管理的思想。
3) separate-layer string
分层管柱
1.
The technology consists of two parts: separate-layer string and water injection string.
该技术由分层管柱和注水管柱2部分组成:分层管柱由封隔器和防砂管(或带孔管)组成,注水管柱下部的配水器插入分层管柱,用密封插入实现层间分隔,上部特别设计了可地面控制的提升器,通过提放注水管柱来实现分层注水或洗井。
5) graphical layer classifying management
图层分层管理
6) segmented pipe tree
分层管道树
1.
Moreover,a segmented pipe tree based on the pipelined parallelism is presented to optimize multi-join queries,which not only improves the parallelism but also returns some results to users as soon as possible.
它能在查询优化的过程中考虑数据源的动态特征以及用户的QoS要求,根据用户的QoS要求选择不同的查询执行计划;文中还提出了基于管道并行方式的分层管道树来对多连接表达式进行优化,它不仅可以提高并行度而且可以尽快返回部分结果给用户。
补充资料：杜仲的维管形成层
李正理提供
[图]
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