对于文件没有扩展名的情况，此函数将返回空字符串。
In case a file does not have an extension, the function returns an empty string.
大，一个没有扩展名。
primary _ type_name没有扩展名的文件简称。
Primary_type_name Short name of the file without the extension. Mytype.
对于世界上许多城市来说，已经没有进一步扩展的空间了，纽约就是其中的一个例子。
For many cities in the world, there is no room to spread out further, among which New York is an example.
与AspectJ类似的机制，没有语言扩展。
Similar mechanisms as AspectJ without the language extension.
如果在添加扩展时没有创建任何定义，请创建一个定义。
If no definition was created while adding the extension, create one.
在盘中没有主dOS分区，故不能建立扩展分区。
Cannot create extended DOS partition without primary DOS partition on disk.
目前在核心blueprint规范中没有定义好的扩展名机制。
There is currently no defined extension mechanism in the core Blueprint specification.
由于没有客户机代码，因此具有高度的可维护和可扩展性。
Highly maintainable and extensible because there is no client code.
没有投资人，公司就没有资本扩展。
Without the investors, the company would not have the capital to expand.
或许是因为它的没有任何扩展，或只是没有意义呢？
Maybe because it's without any extensions, or it just doesn't make sense?
没有与所给的文件扩展名相关联的应用程序。
There is no application associated with the given filename extension.
当前此元素和其子元素还没有被用于扩展管理器。
Currently this element and its children are not used by the Extension Manager.
没有与指定文件扩展名相关联的应用程序。
No application is associated with the specified file name extension.
没有与给定的文件扩展名关联的应用程序。
There is no application associated with the given file name extension.
没有简单方法，但扩展知识面可能会对我有所帮助。
There is no easy method, but the expansion of knowledge might be of some help.
仍然使用这些扩展，并没有很长一段时间更新？
Still use those extensions which did not update for a long time?
因此，我们现在可以很容易地扩展我们的代码，还没有任何忧虑。
Hence we can now easily extend our code without any worries.
发布目的地没有文件扩展名。
启动应用程序出错，没有与指定的扩展名关联的应用程序。
Error launching application, there is no application associated with the given file name extension...
启动应用程序出错，没有与指定的扩展名关联的应用程序。
Error launching application, there is no application associated with the given file name extension...
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