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本刊2002年第6期《是(1/2)~(m_1~2-m_2~2)还是“m_1-m_2”》一文(以下简称《是》),对某复习资料的一道题的解重新进行了探讨,但其物理模型仍有需要商榷之处,结论也应重新讨论。
The article “Yes (1/2)~(m_1~2-m_2~2) or ”m_1-m_2“” in the 6th issue of 2002 (hereinafter abbreviated as “Yes”) revises a problem of a review material. A discussion has been made, but the physical model still needs to be discussed, and the conclusion should be discussed again.