1) Benefit of Aticrime
预防效益
2) protective benefit
防护效益
1.
The results showed that the preserved rate, the growth increment of height and diameter of mixed forest were superior to the pure of Casuarina;the protective benefits of mixed forest were obviously larger than that of the pure.
为改变沿海地区造林树种单一状况,确保防护林生态系统稳定性,1992年在福建东山县赤山林场开展木麻黄大叶相思混交林和木麻黄纯林对比试验,研究结果表明,混交林中木麻黄保存率、树高、胸径生长量均大大超过木麻黄纯林;混交林防护效益明显大于木麻黄纯林;混交林林地土壤肥力高,改土效果显著。
3) dust-control benefit
防尘效益
4) disaster preventing benefit
防灾效益
5) protection benefit
防护效益
1.
In order to study the mechanisms of windbreak,sand-fixation and protection benefits in shelter belts,wind erosion under three types of protective forest model was simulated in a wind tunnel experiment using the PIV system.
农田土壤风蚀沙化是北方农牧交错区农业生产发展的主要限制因子,为了研究防护林带防沙机理和防护效益,利用PI V(particle image veloci metry)系统,在风洞中对陕北靖边县3种不同的防护林模式进行了模拟实验研究。
6) flood control benefit
防洪效益
1.
Aided by the formula,the flood control benefit and the flooded loss value can be rekoned up.
根据超标准流量绘制流量～淹没面积及淹没面积～淹没损失曲线,借助公式可以计算出防洪效益及淹没损失值,比较直观,有推广应用价值。
2.
Regarding the lifetime of flood control water project as a time unit and considering the time value of capital, the flood loss reduction due to the project can be calculated and the probability distribution model of flood control benefit is obtained.
本文应用蒙特卡洛法模拟产生洪水系列,以防洪工程使用期为一个时间单位,考虑资金的时间价值,对工程的减灾损失进行了计算,得到了防洪效益的概率分布模式。
3.
The present models of flood control benefit need a lot of data, and are complex in calculation.
针对现有防洪效益计算模型所需资料多、计算复杂等问题 ,本文在符合防洪效益特点的宏观假定基础上 ,提出了防洪效益计算的洪水频率面积系数和洪水频率严重系数 ,并用水文学和数理统计的有关原理导出了流域防洪系统效益计算的宏观模型。
补充资料：不合格品预防措施(见预防措施)
不合格品预防措施(见预防措施)
preventive actions for nonconforming product: see preventive actions
buh6g6Pi阅YUfong cuoshi不合格品预防措施Co刊rorrni鳍p耐uet)(preventive actions fornon-见预防措施。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条