对于较为正式的语言，需要优先考虑已编译代码的效率，并且对语言的灵活性有所限制。

In more formal languages, efficiency of compiled code is a priority, and a limit is placed on language flexibility.

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在证书链的搜索算法中，通过对多重边的有向无环图用深度优先和广度优先算法结合实现对证书链的搜索，避免证书图中产生的环形链而导致低搜索效率问题。

Furthermore, an algorithm of certificate chain processing is presented, which searches the DAGs, and a DAG by depth-first-algorithm, and inter-DAGs by breadth-first-algorithm.

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