1) average annual energy output
多年平均发电量
1.
Via comparing indexes,such as average annual energy output ,average water head,assurance rate of electric power generation of ea.
通过比较各方案的多年平均发电量、平均水头和发电保证率等指标,分析电量增加的主要因素,结论是电站增容后产生的电量增值效益是明显的,这可为电站增容项目的实施提供技术参考。
2) mean annual electricity output
多年平均年发电量
1.
On the basis of dynamic programming theory and taking the optimization of mean annual electricity output as its criterion,the dynamic reservoir-programming model was set up and the calculation on the optimization discharge pro- cess of reservoir was described in detailed.
根据动态规划理论,以多年平均年发电量最优为准则,建立相应的水库动态规划模型,并详细介绍推求水库最优放水过程。
3) annual mean precipitation
多年平均降水量
1.
By using the 1988—2002 data of annual mean precipitation and evapotranspiration in the Heishui River basin of Minjiang River upper reach, and with the help of GIS, a comparison was made on the annual mean runoff coefficient of the watersheds with different landscape structure in the Heishui River basin.
在GIS技术支持下,结合岷江上游黑水河流域1988—2002年多年平均降水量和蒸散量空间分布,对不同景观结构的小流域多年平均径流系数进行比较。
4) annual mean evapotranspiration
多年平均蒸散量
5) mean annual sediment content
多年平均含沙量
1.
From the pointview of sediment formation mechanism in basin,the empirical relationship is established for the derivation of mean annual sediment content in rivers without sediment data.
分析四川境内41个水文站（区间）1130站年实测悬移质泥沙资料和相应水文站控制流域内土地利用资料，从流域产沙机理出发，建立了经验关系，以用于无泥沙测验资料地区推求河流多年平均含沙量。
6) Multi-year average precipitation
多年平均降雨量
补充资料：平均样本量(见平均抽样数)
平均样本量(见平均抽样数)
average sample size: see average sampling number; ASN
Pingiun Yangbenliang平均样本t(ave班罗留盯甲le size)样数。见平均抽
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