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地理信息元数据
关于数据的数据。即说明地理信息资源,包括地理信息数据、提供地理信息数据的服务和设备设施等的责任机构、标识、内容、覆盖范围、质量、数据志、空间时间模式、空间参照系、更新维护、适用领域、分发以及使用环境、管理、加工、保存和使用限制等的描述数据。
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rock mass strength experiment
rock mass structure cybernetics
rock mass support and reinforcement theory
rock mechanics
rock mechanics experiment
rock mechanics experiments
rock moisture content experiment
rockoon
rockoon sounding
rock ore appraisal sampling
rock/ore radioactivity
Rockot launch vehicle
Rock Painting
Rock Painting of Tibet
rock paintings in Alxa League
rock paintings in Chifeng City
rock paintings in Dengkou County
rock paintings in the Baicha River basin
rock paintings in the depopulated zone of northern Tibet
rock permeability
rock permeability coefficient
rock permeability experiment
rock physical and mechanical properties
rock physical model experiment
rock physical properties experiments
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