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Footnotes:

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24$B%"%$%s%7%e%?%$%s(B $B$,8wNL;R2>@b$r>'$($?(B1905$BG/$N;~E@$G$O!"%W%i%s%/K\?M$r4^$a$F$[$H$s$I$NJ*M}3X 25$B8w$NN3;R$O:G=i$N(B $B:"$O!V8wNL;R(B(light quantum)$B!W$H8F$P$l$?$,!"8=:_$G$O$b$C$HC;$/!"!V8w;R(B(photon)$B!W$H8F$P$l$F$$$k!#(B
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