And scientists in Japan have observed that the butterflies have a simple way to avoid the unwanted attention of persistent males; they close their wings.
日本科学家还发现了这些雌性蝶会用一种很简单的方法来避开那些雄性蝶无休止的骚扰：合上自己的翅膀。
So, one need only add a few lines of code to an application and create a simple mapping file for each persistent class, and NHibernate takes care of all database operations.
好了，我们只需要在程序中添加几行代码，和为每一个映射文件创建持久化类，而且NHibernate可以照顾到所有的数据库操作。
Our first example, first, will be based on the simple example given in the documentation for the Persistent: : File module, and will illuminate the steps taken to achieve persistence.
第一个示例first将基于Persistent：File模块文档中给出的simple示例，并将描述达到持久性的步骤。
Our first example, first, will be based on the simple example given in the documentation for the Persistent: : File module, and will illuminate the steps taken to achieve persistence.
第一个示例first将基于Persistent：File模块文档中给出的simple示例，并将描述达到持久性的步骤。
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