rational variety

These results could be helpful for resistance breeding and rational arrangement of rice variety in Ningxia .

本试验结果为指导宁夏水稻抗病育种及水稻品种的合理布局提供依据。

The Relationship between the Rational Combination of Sugar-cane Variety of Different Mature Period and the Raise of Sucrose Content

甘蔗不同熟期品种合理搭配与提高蔗糖分的关系

The micro-nano optical technologies combined with the rapid development in recent years , the rational design of a variety of optical micro-structure in the silicon substrate surface to reduce the reflective surface of the silicon solar cell .

本文结合近年来发展迅猛的微纳光学技术，在硅基板表面合理设计了各种光学微结构来减小硅太阳能电池表面的反射。