Knowledge bases: Knowledge bases serve as a virtual "in-house expert," providing default project definitions, values, ranges, and calibrations based on comparable project histories.
知识库：知识库就相当于一位虚拟的“内部专家”，它提供了基于可比较的项目历史记录的默认的项目定义、赋值、范围和标准。
This year's exercises saw a greater emphasis on virtual modelling than in previous years, with most of the participating us naval vessels doing so from bases in Virginia and Florida.
今年的演习与往年相比，更多地将重心放在虚拟建模上。大部分的美国海军军舰从位于弗吉尼亚和佛罗里达的基地出发参加这次演习。
The engineering of surveying and mapping can supply theory, means and data bases for virtual reality. and must regard the technology as a new surveying and mapping service...
测绘工程为虚拟现实技术提供了理论、方法和数据基础，并应把这一技术作为下一世纪测绘保障的新手段而给予重视和开发。
应用推荐