Change rule of yield factors and yield structure index of different lint yield have been searched.
摸清了各产量因素间相互制约、此长彼消的变化规律与不同皮棉产量的产量结构指标。
For reinforced concrete structure construction with seismic fortification, the yield-strength ratio of steel bar is a very important material quality index.
对于有抗震设防的钢筋混凝土框架结构施工，钢筋屈强比值是个十分重要的材料质量指标。
It seems that the amorphous iron oxide may be used as an indirect index for the evaluation of high yield paddy soils with good structure.
看来，无定形氧化铁的含量可以作为高产水稻土具有良好结构性的一个间接指标。
应用推荐