若某核反应发生前,所有参与反应物质的总静止质量为 $M _ { 1 }$ ;反应完成后,所有生成物的总静止质量为 $M _ { 2 }$ 。已知真空中的光速为c ,则该核反应过程中释放的核能 $\Delta E =$
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若某核反应发生前,所有参与反应物质的总静止质量为 $M _ { 1 }$ ;反应完成后,所有生成物的总静止质量为 $M _ { 2 }$ 。已知真空中的光速为c ,则该核反应过程中释放的核能 $\Delta E =$
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