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[4]: 114 A DataFrame is a 2-dimensional data structure of rows and columns, similar to a spreadsheet, and analogous to a Python dictionary mapping column names (keys) to Series (values), with each Series sharing an index. [4]: 115 DataFrames can be concatenated together or "merged" on columns or indices in a manner similar to joins in SQL.
sdcv ( StarDict under Console Version) is the command line version of StarDict developed by Evgeniy A. Dushistov and Hu Zheng. It employs all the dictionary files that belong to StarDict . It is licensed under the terms of the GNU General Public License .