According to the applications in real systems, this method is both efficient and available in automatic vectorization and recognition of engineering drawings.

实际系统应用表明，该方法在图纸自动矢量化和识别中非常有效。

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It analyzes SQL statements and determines the most efficient access path available for satisfying each statement (see Figure 1).

它分析sql语句并确定可以满足每条语句的最有效的存取路径(请参阅图1)。

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Now his company, Bigelow Aerospace, has a plan to make space stations that are cheap, efficient and available for monthly rental.

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The business worked so well it provided a model for Bigelow Aerospace, founded in 1996: Just like his hotels, Robert Bigelow would make space stations that were cheap, efficient and available for monthly lease.

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This ham-stringing of local authorities too often means that decades-old technologies and building standards are used for rebuilding even when more efficient and effective approaches are available.

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