Secondly, power line noise channel and multi-path channel optimization modeling techniques based on artificial neural network are proposed.
其次，提出了电力线噪声信道和多径信道的神经网络优化建模方法。
2
It is probably the ultimate channel for bringing the scourge of sand under permanent control to change from artificial vegetation to natural vegetation as soon as possible.
人工植被尽快向大面积天然植被过度，也许是根治沙害的终极途径。
3
Therefore, the surface subsidence was controlled comprehensively through measures like static pressure grouting and building shotcrete piles in the artificial river channel.