抽象图归约机
abstract reduction machine
《英版海图图夹节本》
abridged admiralty chart folios
版图图形场分割处理
Pattern field division processing
不可约图
irreducible graph
the largest eigenvalue of a graph
单粒子不可约图
one-particle irreducible diagram
地形图图幅编号
Sheet Numbers of Topographic Map
地形图图式
topographic map schema
The symbols of topographic map
topographic map symbols
Cartographic symbols