ratio n. (pl. ratios) 1.比,比率,比值;比例;系数。 2.【经济学】复本位制中金银的法定比价。 the ratio 3:2 (读作 the ratio of three to two )3对2之比。 arithmetical ratio 公差,算术比。 direct ratio 正比。 inverse [reciprocal] ratio反比。 current ratio 电流比,电流变换系数。 nutritive ratio 营养率。 vt. 1.用比例方式表达;求出…的比值;使…成比例。 2.将(相片)按比例放大或缩小。
Research on surface and grain boundary passivation mechanism obtained effects of surface recombination on crystalline silicon solar cell performance and the theoretical expression of grain boundary recombination velocity . the limit ratio of short - circuit current increment for anti - reflection coating utilization on solar cells was obtained . the crystalline silicon solar cell spectral response , contact resistance and minority carrier lifetime measurement systems were established 钝化机理研究获得了表面复合对不同表面掺杂浓度晶体硅太阳电池性能的影响、表面和界面复合速度的理论表达式;研究得到了减反射膜对太阳电池短路电流增量比的极限;建立了太阳电池光谱响应、栅线电极接触电阻和少子寿命等测试系统。