The concordance is around 20% for dizygotic twins.

该一性约为20％，异卵双胞胎。

The arc pressure distribution is in concordance with the hyperbolical curve and the current density distribution is in concordance with the Guass distribution under the presented experiment condition.

实验结果明，在本试验条件下，电弧压力分布符合双面指数曲线分布，电流密度分布符合高斯分布规律。