很多学者发现图书馆的书有转换成数位档案的必要。
Many scholars have found it necessary to convert library books into digital files.
这些特别的方法包括将所有转换档案都附加、并置在一起，并且移除掉其它多余的空间。
Some of these special processing methods include appending (concatenation) of all files converted, and removal of empty lines.
系统会提供选择以过滤数据，或者转换其格式，抑或是访问档案数据。
The system may provide options to filter the data or to transform it as well as to access archival data.
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