短語詞組短語near -end crosstalk attenuation [通信]近端串音衰減;近端串音衰減reflected near -end crosstalk 反射近端串音Differential Near -end crosstalk 差分近端串擾power sum near -end crosstalk loss 功率和近端串擾損耗Power sum near -end crosstalk 功率和近端串音 返回 near end crosstalk