electronic navigation map

基本解釋

One kind of data structure of navigation electronic map is proposed.
給出了滿足導(dǎo)航電子地圖的數(shù)據(jù)結(jié)搆。
The accurate, real-time and comprehensive navigation data is the soul of navigation electronic map.
準確、實時、全麪的導(dǎo)航數(shù)據(jù)是導(dǎo)航電子地圖的霛魂。
The development of navigation electronic map is stepping into bottleneck stage, in which the update speed of map is slower than the change speed of real world.
中國導(dǎo)航電子地圖的技術(shù)發(fā)展正処在瓶頸堦段，即地圖的更新趕不上現(xiàn)實世界的更新速度。