reciprocals
n.
互相给予的( reciprocal的名词复数 );
互惠的;
相互的;
互为倒数的;
例句:
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Reciprocals and selfs are usually excluded.
反交和自交通常不包括在内.
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Another useful property of triangular matrices is the ease with which their reciprocals may be calculated.
三角矩阵另一个有用的特性是容易用他们的倒数计算出来.
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Hence form a quadratic equation whose roots are the reciprocals of the roots of the equation.
由此,求一个二次方程,使它的根是方程的根的倒数.