单词	active following
释义	active following 主动追踪
随便看	harmonic coefficient harmonic coil harmonic college harmonic colour harmonic compensation harmonic compensator harmonic complex harmonic component harmonic component control harmonic components harmonic compressor harmonic concentration harmonic configuration harmonic congruence harmonic conjuate flows harmonic conjugate harmonic conjugate flow harmonic conjugate line harmonic conjugate point harmonic conjugate points harmonic conjugate ray harmonic conjugate rays harmonic conjugates harmonic conjugation harmonic consciousness