提出并实现了基于动态优先级的带回溯的标注位置搜索算法。

A heuristic local search method based on variable priority is proposed to automate dimension and label placement of ISO drawing.

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最后将基于树搜索的动态空间调度算法与多层回溯策略相结合，进一步得到一种修正的动态空间调度算法。

At last we combine the spatial scheduling algorithm on Tree-Search with multilayer backtracking strategy, through that we can get a correctional dynamic spatial algorithm.

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