真正的潜力在于越来越广泛的可用数据的选择。
The real possibilities, though, lie in the wider and wider choice of data available.
地形实时绘制时LOD数据的选择是基于屏幕误差的。
In rendering time, the choosing of LOD is driven by screen space error.
通常来说，服务数据是域数据的选择和投影（或者视图）。
Often, the service data is a selection and projection (or view) of domain data.
应用推荐