The width to width ratio of grid fin was an important parameter influencing the aerodynamics of grid fins.
格宽翼弦比是影响栅格翼气动特性的一个重要几何参数。
In coastal areas, the ratio of policy processing expenses to the total cost in 2002 has increased from 16% to 33% in 2008 in grid construction.
在沿海地区，电网建设政策处理费用占总成本的比例已经由2002年的16%上升到2008年的33%。
To enhance recall ratio and precision ratio of information retrieval, the paper designs the model of spam filtering based on semantic grid.
本文以增强语义信息，提高搜索的查全率和查准率为目标，设计了基于语义网格的垃圾邮件过滤模块。
The results of numerical experiments, the statistics of speedup ratio and parallel efficiency all show the success of parallel unstructured grid generation method and parallel computation algorithm.
数值试验的结果以及并行计算的加速比、效率的统计，进一步验证了网格并行生成方法以及并行计算算法的有效性。
And it shows that in order to obtain an accurate result for footings with embedment ratio greater than 0.3, it is unnecessary to adopt a dense grid in computation.
分析表明，对于埋深比大于0.3的埋置基础，不必需要过密的节点网就能得到具有一定精度的结果。
To the grid connected wind turbine, the purpose of controlling it working at optimal tip speed ratio or about is to capture maximum wind energy.
对并网型风力机，控制其在额定风速下运行在最佳叶尖速比或其附近，主要是希望它能捕获到最大的风能。
And discussed the influence which caused by thin grid, the insert length of steel fiber, volume ratio, substrate intensity, fiber rigidity and so on.
并且讨论了网格细化、钢纤维嵌入长度、体积含量、基体强度、纤维刚度等参数变化对计算模型产生的影响。
This paper describes a combustion-driven CO2 gasdynamic laser with a throat height of 0.3mm and an area-ratio 30 grid nozzles, and presents some experimental results.
本文介绍了喷管喉道高度为0.3毫米、面积比为30的燃烧驱动CO_2气动激光器的某些实验结果。
Designed for grid-independent solar installations, the new module has a particularly favorable price-performance ratio.
该新组件有着特别突出的性价比优势。
Designed for grid-independent solar installations, the new module has a particularly favorable price-performance ratio.
该新组件有着特别突出的性价比优势。
应用推荐