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huangyi:oprand #1 TRAY(wav=2,Hy=a,Py= b); JXy667_ oprand #2 TRAY(wav=2,Hy=a,Py= -b); gkq RO19 SUMM(oprand #1,oprand #2)其中SUMM描述的是上述两个操作数的代数和,表征彗差的大小。 (2011-04-13 16:27) &T{B~i3w8
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