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Change log entry 98412
Processed by: richwarm (2026-10-18 21:37:27 UTC)
Comment: << review queue entry 90017 - submitted by 'encn' >>
单位圆,数学模型,指的是平面直角坐标系上,圆心为原点,半径为单位长度的圆。
Diff:
單位圓 单位圆 [[dan1wei4yuan2]] /(math.) unit circle/
By MDBG 2026
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