A generated technique of balanced light intensity and high efficiency multiple ban splitting beams element using synthetical phase gratings.
采用组合位相光栅技术，制作光强分布均匀、衍射效率较高的多光束分光元件。
Meanwhile the research on splitting rate of micro-fiber, cleaning mechanism of micro-fiber fabric and evaluating system of cleaning efficiency are rarely reported.
目前超细纤维在清洁方面的应用已得到广泛认可，但是至今对涤锦复合超细纤维开纤率的评价、织物的清洁机理和清洁效果评价的研究报道很少。
Farmers in Pakistan enhance nitrogen fertilizer use efficiency by 15% by splitting nitrogen applications in consonance with crop growth.
通过使氮分解的速度与作物生长的速度相匹配，巴基斯坦农民使氮肥料的利用率增加了15%。
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