tree belt

Wind Speed Distribution in the Aweather of the Firebreak Tree Belt in a Wind Tunnel Experiment A Test Study of the Ventilation Coefficient of the Firebreak Tree Belt on a Mountain Ridge

防火林带迎风面风速分布规律的风洞试验山脊防火林带透风系数的确定

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The results showed that the minimal relative wind speed in the windward area of firebreak tree belt with a sparse and tight structure was down to 70% below, but in the windward area of the ventilate structure was only down to about 80%.

结果表明：紧密结构与疏透结构的防火林带迎风面的阻风性能比较好，最小相对风速达到70%以下，而通风结构的阻风性能最小，迎风面的最小相对风速在80%左右。

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The Six Sigma Black Belt will demonstrate the ability to read a fault tree.

6西格玛黑带应能示范其理解故障树分析的能力.

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This indicated that 1m soil clean protection belt on each side should be kept between the apple tree rows in apple-alfalfa system.

说明实行苹果紫花苜蓿复合系统至少应保留1m的清耕保护带。

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The proofing efficiency is closely correlated with the wind weather area of the firebreak tree belt.

防火林带的防火性能与阻风性能密切相关.

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Kenyan national Wangari Maathai won the 2004 Nobel Peace Prize for her work in the Green Belt Movement, an organization that engages in tree-planting activities and environment conservation.

旺加里·马塔伊（Wangari Maathai）是肯尼亚人，2004年因对绿色带运动（Green Belt）的贡献而荣获诺贝尔和平奖。绿色带组织开展植树活动，保护环境。

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