英译汉:Call control, setup, tear-down and maintenanceCDMA 1x 无线模块的应用中有上面这句话. 请问其中文含义是什么? 谢谢.

英译汉:Call control, setup, tear-down and maintenanceCDMA 1x 无线模块的应用中有上面这句话. 请问其中文含义是什么? 谢谢. 英译汉 call Control control People usually call sets of instructions that control their computers p___. call teanspear英译汉 call transfer英译汉 call call. call call call call call call call call call