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Change log entry 65623

Processed by:	richwarm (2018-06-02 21:47:28 UTC)
Diff:	- 單位向量单位向量 [dan1 wei4 xiang4 liang4] /unit vector/ + 單位向量单位向量 [dan1 wei4 xiang4 liang4] /unit vector (math.)/

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