File:Two-centerBipolarCoordinateSystem.JPG

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Two-centerBipolarCoordinateSystem.JPG ‎(350 × 258 pixels, file size: 9 KB, MIME type: image/jpeg)

Summary

Description
English: Two-center bipolar coordinates
中文：雙心坐標系
Date
Source Own work (Original caption: "
self-made
")
Transferred from zh.wikipedia to Commons by User:Shizhao using CommonsHelper.
Author 老陳 at zh.wikipedia a.k.a. Thurth at zh.wikipedia

Licensing

GNU head Permission is granted to copy, distribute and/or modify this document under the terms of the GNU Free Documentation License, Version 1.2 or any later version published by the Free Software Foundation; with no Invariant Sections, no Front-Cover Texts, and no Back-Cover Texts. A copy of the license is included in the section entitled GNU Free Documentation License.
w:en:Creative Commons
attribution share alike 		This file is licensed under the Creative Commons Attribution-Share Alike 3.0 Unported license.
You are free:
  • to share – to copy, distribute and transmit the work
  • to remix – to adapt the work
Under the following conditions:
  • attribution – You must give appropriate credit, provide a link to the license, and indicate if changes were made. You may do so in any reasonable manner, but not in any way that suggests the licensor endorses you or your use.
  • share alike – If you remix, transform, or build upon the material, you must distribute your contributions under the same or compatible license as the original.
This licensing tag was added to this file as part of the GFDL licensing update.

Original upload log

The original description page was here. All following user names refer to zh.wikipedia.
  • 2008-04-18 06:51 老陳 350×258× (8807 bytes) {{Information| |Description =雙心坐標系 |Source =Original maker |Date = created 17. Apr. 2008 |Author = 老陳 |Permission = {{GFDL}} }}
  • 2008-04-18 06:11 老陳 350×258× (9776 bytes) {{Information| |Description =雙心坐標系 |Source =Original maker |Date = created 17. Apr. 2008 |Author = 老陳 |Permission = {{GFDL}} }}
  • 2008-04-18 05:50 老陳 350×251× (9518 bytes) {{Information| |Description =雙心坐標系 |Source =Original maker |Date = created 17. Apr. 2008 |Author = 老陳 |Permission = {{GFDL}} }}

Captions

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Items portrayed in this file

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inception

17 April 2008

media type

image/jpeg

File history

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Date/TimeThumbnailDimensionsUserComment
current23:10, 15 July 2011Thumbnail for version as of 23:10, 15 July 2011350 × 258 (9 KB)OgreBot(BOT): Reverting to most recent version; originally uploaded at en.wikipedia on 2008-04-18 22:52:20 by Thurth
23:10, 15 July 2011Thumbnail for version as of 23:10, 15 July 2011350 × 258 (10 KB)OgreBot(BOT): Uploading old version of file from en.wikipedia; originally uploaded on 2008-04-18 06:23:05 by Thurth
12:40, 27 January 2011Thumbnail for version as of 12:40, 27 January 2011350 × 258 (9 KB)File Upload Bot (Magnus Manske) {{BotMoveToCommons|zh.wikipedia|year={{subst:CURRENTYEAR}}|month={{subst:CURRENTMONTHNAME}}|day={{subst:CURRENTDAY}}}} {{Information |Description={{zh|{{Information |Description =雙心坐標系 |Source =Original maker |Date = created 17. Apr. 2008 |Auth
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