All 135 countries were assigned a numerical score between 0 (complete inequality) and 1 (complete equality).
所有135个国家的得分介于0与1之间，0代表完全不平等，1代表完全平等。
2
In fact, any numerical discretization method has truncation error and there's no need to treat the difference equations as equality constraint.
事实上，由于任何数值离散方法均存在截断误差，将其作为等式约束是没有必要的。
3
In the proposed method, virtual measurements are treated as equality constraints, which avoids the numerical ill-conditioning problem due to the disparity in weighting factors.