建立了一种面向自动综合的河系结构化数据模型，模型包含了大量水系综合所需要的信息。
A structural river network data model based on automated generalization oriented is developed, which contains lots of information needed by river network generalization.
建立了一种面向自动综合的河系结构化数据模型，模型包含了大量水系综合所需要的信息。
A structural river network data model based on automated generalization oriented is developed, which contains lots of information needed by river network generalization.
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