改善学校设施（学校建设和升级改造、桌椅板凳、教学设备和图书馆资料）；
the improvement of school facilities (school construction and upgrading, furniture, teaching equipment and library books);
那个电厂进行了一次升级改造。
也可以提供老旧设备的自动化升级改造服务。
Can also provide old equipment automation upgraded services.
同时，很多网络年久失修，需要升级改造。
At the same time, many network of repair. The need to upgrade transformation.
因此，对旧的网络信息系统的改造和升级成为了网络信息系统中的迫切需求。
Therefore, the transformation and upgrade of the old information systems become an urgent demand.
因此，对旧的网络信息系统的改造和升级成为了网络信息系统中的迫切需求。
Therefore, the transformation and upgrade of the old information systems become an urgent demand.
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