基材配比组合
compound ratio of planting material
组合比率及回归估计量
Combined ratio and regression estimator
多组元高比强多孔铝合金
high specific strength porous Al alloy with multi-components
番茄新组合品比试验
Comparative Test on Tomato
恒定比例组合保险
constant proportion protfolio insurance
燃油混合比控制压力测试组件
fuel ratio control pressure test kit
燃油混合比控制压力组件
fuel ratio control pressure kit
组合套期保值比率
combination hedging ratio