In addition, dynamical management of terrain dataset in view field was implemented effectively by visible detection based on the simplified view frustum and terrain data prediction strategy.
此外，简化视见体的可见性判断和数据预取策略，实现可见数据的动态管理。
Accoding to the concept, datum contained careless error are rejected, data management is simplified and measure of precision of measurement result is raised.
利用这一概念，可剔除含粗大误差的数据，从而简化数据处理，提高测量结果的精确度。
Accoding to the concept, datum contained careless error are rejected, data management is simplified and measure of precision of measurement result is raised.
利用这一概念，可剔除含粗大误差的数据，从而简化数据处理，提高测量结果的精确度。
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