公立大学也有一些优点，比如学费是免费的。
There are certain advantages of public universities, such as the fees being free.
在获取操作很慢（比如存档的邮件在磁带上）的情况下，这就是很重要的优点。
This is a great advantage in case of a slow retrieval, like it is the case from tape.
您可以获得开放源码的全部优点，比如可以查看代码并让使用库的每个人检查代码。
You have all the advantages of open source, such as being able to see the code and having everyone else using the library reviewing the code.
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