测量的确切的开关列在 SQL 脚本 test_clustering.sql 中，该脚本可以在 下载 一节中找到。
The exact switches for the measurement are listed in the SQL script test_clustering.sql, which is available in the download section.
这看起来可能不算什么，但是使用% freedb_searches散列来得到检索开关列表会使代码更短，而且容易维护。
It may seem like a little thing, but using the % freedb_searches hash to get the list of searching switches makes the code shorter and more maintainable.
这对于您需要处理复杂的命令行开关以创建多层散列时尤为有用。
This is especially true if you need to process complex command-line switches to create multi-level hashes.
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