At last, according to the newest coastal zone topographic map standard, the author designs the coastal zone topographic map symbol database with COM.

最后，利用组件技术，设计完成了符合最新海岸带地形图图式标准的海岸带地形图符号库。

youdao

At last, according to the newest coastal zone topographic map standard, the author designs the coastal zone topographic map symbol database with COM.

最后，利用组件技术，设计完成了符合最新海岸带地形图图式标准的海岸带地形图符号库。

youdao