The penultimate field contains the timestamp of the last modification.
倒数第二个字段包含最后一次修改的时间戳。
A preview now shows three columns with subject, number, and last modification date.
预览现在显示三列，它们是主题、数量和最后一次修改日期。
That brings us to the last modification: You need to add the Ext GWT module to the module definition.
最后一处修改是：将ExtGWT模块添加到模块定义中。
The integration uses the last modification time of the object or element to decide which value to use.
集成使用对象或者元素最后一次编辑的时间来决定使用哪一个值。
The last thing that you need to do is make one last modification to the loadEntries function as shown in Listing 12.
最后我们需要做的是对 loadEntries函数进行最后的修改，如清单12 所示。
Even using the — newer option with tar is limited because you must know exactly when the last modification was performed.
tar的——newer选项的作用是有限的，因为必须知道上一次修改的准确时间。
For example, when we write to a file, the new length and the last modification timestamp are updated in the metadata cache.
例如，当写入一个文件的时候，这个文件的长度和最后修改时间都要在元数据缓存器里面更新。
Finally, it's sometimes helpful when listing the contents of a directory to view the files sorted by their time of last modification.
最后，在列出目录内容时，可以按照文件的最后修改时间进行排序，这样做有时很有帮助。
The grid file system needs to not only store chunks, but also metadata information, such as directories, files, file sizes, last modification times and so on.
这个网格文件系统不仅需要存储区块，还要存储元数据信息，像目录、文件名、文件大小、最后修改时间等。
Optionally, you can list additional information for each URL, including its last modification date, its change frequency, an expiration date, and a priority value.
您可以选择性地为每个URL列出额外的信息，包括URL的最后修改时间、更改频率、终止日期和优先值。
The metadata cache contains the full path names of directories and files as keys and metadata (e.g. file length, last modification date, and whether the key is a file or a directory) as values.
元数据缓存器将目录和文件的路径名称保存为键，将元数据保存为值（如文件长度、最后修改时间、标记该条目是文件还是目录等）。
The metadata cache contains the full path names of directories and files as keys and metadata (e.g. file length, last modification date, and whether the key is a file or a directory) as values.
元数据缓存器将目录和文件的路径名称保存为键，将元数据保存为值（如文件长度、最后修改时间、标记该条目是文件还是目录等）。
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