补数算子, 变反算符, 求反算子的英文

complementary operator

• 补:    repair; mend; patc ...
• 数:    frequently; repeat ...
• 算子:    operator
• 变:    become different; ...
• 反:    reverse side
• 算:    calculate; reckon; ...
• 符:    tally symbol; mark
• 求:    ask; beg; request; ...