采用逐步回归方法建立了草地头火速度、火强度、火烧迹地形状的预测模型。
A predictive model for head fire speed, fire intensity, and shape of burning site in grassland were established by step statistical method.
火周期的延长会引起森林可燃物载量增加，并导致火频度、火灾类型和火强度发生改变。
The longer fire cycle can cause the fuel loading increasing and change fire frequency, fire type and fire intensity in the forest ecosystem.
文章介绍了钢球连接方式火工装置中，钢球连接处的结构强度校核。
This paper relates to structural strength checking at a steel ball connection type initiating explosive device.
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