birth order ratio 产序比率
Order Acquisition Ratio 订单获取率 ; 定单获取率
order ratio analysis 阶比分析
order ratio spectrum analysis 阶比谱分析
order ratio sampling and analysis 阶比采样分析
gear ratio order 设置传动比指令 ; 传速系数装定指令
order call ratio 订货访问比率
This paper mainly treats the order ratio spectrum analysis (ORSA) and its application to the realtime fault diagnosis of the car-starters.
本文主要论述阶比谱分析方法及其在汽车起动电机故障实时诊断中的应用。
Order documents have many attributes and a high ratio of nodes to data.
订单文档有许多属性，而且数据节点的比例很高。
It allows for maximum strength-to-weight ratio and the efficient transferring of forces in order to minimise stresses and avoid whole structure failure.
这种多孔性材料可以使强重比最大化，有效转移承受力，使压力最小化，避免整个结构的垮掉。
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