Based on the analysis of the characteristics of traffic flow under crowded road, an improved models of parking wave and starting wave were used to calculate queuing length and queuing duration.
在分析道路堵塞时交通流特性的基础上，基于改进的停车波与启动波模型，推导出道路堵塞时车辆排队长度和排队持续时间的计算模型，并用实际例子对该方法的有效性进行验证。
Methodical features of testing gas dynamic models with combustion in high enthalpy short duration facilities are presented.
对在高焓、持续工作时间短暂设备中进行伴有燃烧过程的气体动力模型的试验方法的特点作了介绍。
For utility models and designs, the duration of protection is even shorter, only five years.
至于实用新型专利和外观设计专利，保护期限更短，只有5年。
For utility models and designs, the duration of protection is even shorter, only 5 years protection.
实用新型和外观设计的保护更短，只有5年。
The proposed approach can detect applause in meeting speech by only using the differences of duration and pitch between applause and non-applause events, without using any complex statistical models.
该方法利用掌声与非掌声事件之间的时长和基音频率差异，无需构建复杂的统计模型就能检测出会议语音中的掌声。
The proposed approach can detect applause in meeting speech by only using the differences of duration and pitch between applause and non-applause events, without using any complex statistical models.
该方法利用掌声与非掌声事件之间的时长和基音频率差异，无需构建复杂的统计模型就能检测出会议语音中的掌声。
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