call duration 呼叫时间...duration of guaranty 保证期限保证期限...duration tetany 通电期间强直...anodal duration tetanus 阳极期间强直...duration of validity 有效时间...advice-cost-and-duration call 通知话费和时间的电话...time of duration 持续期间...impulse duration 脉冲期间...run duration 运行时间...duration of detention 拘留期间...duration of existence 存在期间...transition duration 过渡时期...duration of service 耐用的年限...duration of insurance 保险期间...duration n.持续时间,持续持续时间持续...chargeable duration 通话计费时间...duration of imprisonment 监禁期间...impulse duration type telemeter 脉冲式遥测计...duration of risk 危险期间...finite-duration sequence 有限时宽序列...duration control 期间控制...
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