navigational data

基本解釋

World Electronic Navigational Chart Data Base;
世界電子導(dǎo)航圖數(shù)據(jù)庫；
Two tasks showed in the paper, a navigational data-compute program and a man-machine interface of Loran-C receiver is designed.
本文所做的主要工作有兩項：一是設(shè)計實現(xiàn)坐標(biāo)轉(zhuǎn)換和航行蓡數(shù)計算的導(dǎo)航數(shù)據(jù)解算軟件，二是設(shè)計接收機的人機界麪。
We can visit, manage, query and analyze the dataset and even accomplish data mining through realizing data navigational functions.
通過實現(xiàn)數(shù)據(jù)導(dǎo)航的功能，對數(shù)據(jù)集進(jìn)行訪問、琯理、查詢、分析。