对比于传统的主机病毒，在开放式网络环境中，网络病毒攻击能力更强、传播范围更广、破坏力度更大。
Compared to the traditional host virus, the network virus has more attack ability and is more infectious in open network environment.
在网络环境下，基于XML并遵循ogc规范的开放式地理信息系统是解决数据共享，实现地理信息互操作的最根本的途径。
In the network environment, which is based-on XML and OGC specifications, OpenGIS is the most basic approach to solve data share and interactive operation.
首先，论文将计算机网络技术和虚拟仪器技术有机地结合，在现有硬件和软件基础上开发网络化虚拟实验室系统，为用户提供网络化、开放式的实验环境。
Firstly, it combines computer web technologies and virtual instrumentation technologies and provides users a web-based, open laboratory environment on the base of existing hardware and software.
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