因此，如何将这些分布式异构地理模型进行统一表达、管理并集成到虚拟地理环境系统中，是当前亟待解决的难点问题。

So how to define and manage these distributed heterogeneous models uniformly, and how to integrate into the virtual geographical environment system, still remain the problems to be solved urgently.

youdao

因此，如何将这些分布式异构地理模型进行统一表达、管理并集成到虚拟地理环境系统中，是当前亟待解决的难点问题。

So how to define and manage these distributed heterogeneous models uniformly, and how to integrate into the virtual geographical environment system, still remain the problems to be solved urgently.

youdao