综合约束问题求解和回溯控制策略，给出了在粒度分层模型基础上的布局算法。
A layout algorithm based on the multi granularity model was proposed by adopting strategies of both constraint problem solving and backtracking.
综合约束问题求解和回溯控制策略，给出了在粒度分层模型基础上的布局算法。
A layout algorithm based on the multi granularity model was proposed by adopting strategies of both constraint problem solving and backtracking.
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