单词	可著喫（吃）的作
释义	同ECONOMICAL
随便看	nonsingular distribution nonsingular idempotent matrix non-singular interaction non-singular linear least squares nonsingular linear transformation non-singular matrix nonsingular matrix nonsingular operator nonsingular point nonsingular quadric nonsingular set nonsingular set type nonsingular transformation nonsingular variety nonsinkable non-sinusidal wave non-sinusoidal non-sinusoidal periodic current circuit nonsinusoidal vibration non-sinusoidal wave nonsinusoidal waveform nonsister chromatids nonsister chromatids-- non-sister strands nonsister chromatids; non-sister strands non-sister strands