有效 effective; valid; efficaciou ...通话 communicate by telephone; ca ...有效通话与挂号百分比 percentage of effective to booked calls有效通气 effective aeration; effective ventilation有效通气量 effective ventilation; effective ventilatory volume有效通知 vaild notice有效通过面积 effective discharge area有效通量密度 actual flux density有效通路系数 pore resistance有效通信半径 positive radius of communication光线有效通过长度 effective path length of light ray; sampling opacimeter每分有效通气量 effective minute ventilation通话 1.(通电话) communicate by telephone; call; message2.(用彼此听得懂的话交谈) converse; talk with sb.; hold conversation◇通话计时器 peg count meter; telephonometer; calculagraph等效通带 equivalent passband等效通频带 equivalent passband失效通道 disable channel失效通货 invalid currency失效通路 failing path等效通量密度 equivalent flux density噪声等效通带 noise equivalent pass band; noise equivalent pass-band噪声等效通量 noise equivalent flux有效 effective; valid; efficacious 采取有效措施 take effective measures; 这张车票3日内有效。 this train ticket is valid for three days.; 有效半径 effective radius; 有效保险 insurance in force; 有效成分 active principle; active constituent; 有效范围 effective range; limits of validity; 有效功率 effective power; 有效能 available energy; 有效时间 effective time; net time; 有效寿命 useful life; actual life; 有效数字 significant digit; significant figure; 有效载荷 payload对讲,通话 intercom光通话 photophone普通话 mandarian; mandarin chinese; mandarin language ability; standard mandarin
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Range : techtalk provides up to four times the range of an ordinary cordless phone 有效范围广:智能无绳电话提供超出普通电话4倍的有效通话 范围。 The over - grazing of india ' s spectrum is already beginning to show in dropped calls and patchy reception 在印度,过度开发无线频谱已经开始导致有效通话 次数减少,信号接收不连贯等现象。
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