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1·The filename extension determines how files are processed.

文件扩展名决定处理文件的方式。

2·Cannot determine the device type from the given filename extension.

无法通过给定的扩展名确定设备类型。

3·There is no application associated with the given filename extension.

没有与所给的文件扩展名相关联的应用程序。

4·In many cases, you can switch from one data type to another just by changing the filename extension.

在许多情况下，您可以从一种数据类型切换到另一种数据类型，只需更改文件扩展名即可。

5·The path to the file. This path should include the filename extension that identifies the type of the image data.

文件路径。这个路径需要包含文件拓展名用来识别图片信息类型。

6·Simply switch the filename extension, and, if the particular method supports it, you get a newly formatted data stream.

切换文件扩展名就行，而且，如果有特定的方法支持它，那么就获得了新格式化的数据流。

7·Finally, — doctest-extension lets you specify a filename extension of your own choice (most developers I know would choose.txt or.rst or perhaps.doctest).

最后，——doctest - extension允许指定文件扩展名(我认识的大多数开发人员选择. txt、。rst或. doctest)。

8·The name of the file, including its filename extension. If this is the first time the image is being loaded, the method looks for an image with the specified name in the application's main bundle.

文件的名称，包含了他的文件拓展名。如果这个图片是第一次被载入，那么这个方法将会在应用程序主束中寻找指定的名称。

9·Digital signature files are binary files and have the same filename as the.sf file but a different extension.

数字签名文件是二进制文件，并且与. SF文件有相同的文件名，但是扩展名不同。

10·If the filename attribute is populated, the file extension is pulled off and converted to uppercase.

如果filename属性被填充，则取得文件扩展名，并将其转换为大写形式。