IEEE 课程不会打印超过一页或一列的长方程式
\begin{equation}\label{eq6} \begin{array}{l} MI\left( {{E_i},{E^t},E_k^n,E_l^m} \right) = \\p\left( {{E_i} = 0,E_j^t = 0,E_k^n = 0,E_l^m = 0} \right)\\ \\ \times {\log _2}\left( {\frac{{p\left( {{E_i} = 0,E_j^t = 0,E_k^n = 0,E_l^m = 0} \right)}}{{p\left( {{E_i} = 0} \right)p\left(...