次最佳的 meaning in Chinese

suboptimal

The main works of this paper can be summarized as follows : a multiuser detection method based on immune algorithm is proposed . this method decreases greatly computation complexity of optimal multiuser detector and achieves suboptimal performance
本文的主要工作可以概括如下：提出了基于免疫算法的多用户检测方法，这种方法大大降低了最佳多用户检测器的计算复杂度，同时达到了次最佳的检测效果。