Default file extensions的意思|示意

The simplest caching rules are based on standard file extensions. By default, files with these extensions are cached automatically

最简单的缓存规则基于标准的文件扩展名。

Documents with other extensions can also be opened if they are of a supported type and their file extension are changed to one of the default extensions.

有其它扩展名的文档，如果它们属于受支持的类型，而且其文件扩展名更改为默认扩展名的话，也可打开。

For TSV format, the difference is that the file extensions are.tsv8 for UTF-8 and.tsv for the default encoding.

对于TSV格式，不同的是文件扩展名utf - 8为。tsv8，默认编码为。tsv。