同时，两种基因型在缺钾土壤上的根冠比和主根长仅为低钾溶液培养时的一半左右。

While, the ration of roots and shoots and the length of main root of two genotypes on deficient potassium soil were only half than that in low potassium solution culture.

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此外还研究了高宽长比功率驱动MOS晶体管的版图优化设计，通过采用高密度的版图结构使有效宽长比密度提高了一倍，从而使其占用的版图面积为缩小为原来的一半。

Besides, in order to minimize the area of output driving MOSFET, high W/L density structure is adopted with effective W/L density being doubled compared with normal MOS structure.

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