为了研究电缆的火蔓延过程，必须开展全尺寸的实验研究。
Full-scale experiment is an important way to study the fire performance of cables.
根据卷吸机理不同，可将通道内烟气蔓延过程分为四个不同阶段。
Based on the different entrainment mechanisms, the smoke movement in a long channel can be divided into four stages.
也许正是在面对黑死病的蔓延过程中，他开始对预言未来之事产生了特别的兴趣。
Perhaps it was his work in the midst of bubonic plague outbreaks that gave him his particular interest in apocalyptic visions of the future.
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