A.174.24.96:6088/Latex/latex.action?latex=XDtfezF9XnsxfVx0ZXh0cm17SH0rXDtfezF9XnsxfVx0ZXh0cm17SH0rXDtfezF9XnsxfVx0ZXh0%0D%0Acm17SH0rXDtfezF9XnsxfVx0ZXh0cm17SH0gXHRvIFw7X3s0fV57Mn1cdGV4dHJte0hlfSsyXDtf%0D%0AezF9XnswfVx0ZXh0cm17ZX0%3D'
B.174.24.96:6088/Latex/latex.action?latex=XDtfezF9XnsxfVx0ZXh0cm17SH0%3D'
C.6726×10
-27kg,一个氦核(
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D.174.24.96:6088/Latex/latex.action?latex=XDtfezR9XnsyfVx0ZXh0cm17SGV9'
E.6425×10
-27kg。一个正电子(
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F.174.24.96:6088/Latex/latex.action?latex=XDtfezF9XnswfVx0ZXh0cm17ZX0%3D'
G.0009×10
-27