沃德高桥恒等式2) ward identity 沃德恒等式3) Constant equation of Gauss 高斯恒等式4) De Morgan identity 德摩根恒等式5) Gauss-Jacobi identity 高斯-雅可比恒等式6) Kaya identity Kaya恒等式 1. China's CO 2 emissions change during 1971-2005 was analyzed by using Kaya identity in ...