1) stratified data
分层数据
1.
Mainly taking some city of urban planning management information database designing and the establishment as an example to elaborate the functional design of this database, and lead stratified data into the corresponding database through warehousing.
以某市城市规划管理信息数据库的设计与建立为例,主要阐述了该数据库的功能设计,并通过入库处理,将分层数据导入到对应数据库中。
2.
Based on the combination of frequency-domain information and time-domain information of Time-frequency Analysis, the paper applies short-time Fourier transform and Wigner transform to Phased-array Ground Penetrating Radar (PGPR) stratified data, studies the influence of various methods, parameters and receiving units on time-frequency diagram and presents parameters suitable for delamination.
基于时频分析能同时反映频率域信息和时间域信息这一特点,将短时傅立叶变换和维格纳变换这两种时频方法应用于相控阵探地雷达的正演分层数据中。
3) hierarchical database
分层数据库
4) hierarchical database
层次[分层]数据库
5) data hierarchy
数据[分级]结构，数据层次
6) Grade data calculation
数据分层计算
补充资料：数据通信网(见数据通信)
数据通信网(见数据通信)
data communication network
shu)u tongxinwang数据通信网(datac。mmunicati。nne饰ork)见数据通信。
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