transient phenomenon

The backdraft phenomenon is a fire phenomenon in vitiated buildings where the hot gas rapidly combusts due to abruptly supplying abundant fresh air after combustion with lack of oxygen or even smoldering. This transient phenomenon is an example of typical nonlinear behavior.

回燃是在通风受限的建筑火灾进入缺氧燃烧甚至闷烧后，由于新鲜空气的突然大量补充引起热烟气急剧燃烧的现象，这种转捩现象是典型的非线性行为。

On analysis of traditional traffic flow model, the transient maximum traffic density in a link is mined, and through the simulation experiment, the relationship among velocity, density, speed vs. density and traffic flow wave phenomenon were studied on the overflow condition sections.

在分析路段瞬态最大交通密度的基础上，挖掘传统模型中的交通溢流区域，并通过仿真实验的手段，探讨了溢流情况下路段的速度、密度、速度-密度关系以及交通流波动现象。

The transient presence of AV myocardial connections during annulus fibrous development may explain this phenomenon.

在纤维环的发育过程中出现短暂的AV旁道也许可以解释在这种现象.

Generally abates voluntarily in the technique latter 2-3 months, is the transient phenomenon.

一般在术后 2-3 个月自行消退, 是暂时现象.