Some approaches to GGP are presented in this paper. They are processing of graphics elements, creating, searching and inserting of symbols and instances.
本文说明GGP 图形软件包中图形元素处理过程,符号和实例的建立、查找和嵌入的处理方法。
Therefore, it is significant to discuss the key influence factors of grain output, which is of great importance to maintain the implement of GGP and ensure food security.