西

Flowers solitary or clustered in axils, sometimes terminal, usually with a long pedicel.

花单生或簇生在腋处，有时顶生，通常具一长花梗。

The distributed DCA scheme allocates channels according to the information available locally, so the reliability is better. But because the channels in the system can hardly be reused to form the optimum style, the capacity of the system is smaller than that when centralized DCA is engaged.

分布式动态信道分配方案由各基站根据本小区可获得的信息进行信道分配，它的可靠性较好，但由于信道在系统中难以按最佳的方式进行重用，所以它的系统容量比集中式动态信道分配方案要小。