基本解释[通信] 轮询字符英汉例句双语例句A polling-on-demand scheduling algorithm for bluetooth piconet is presented, which has good characters of low delay, high channel utilization and desired fairness.提出了一种低时延、高信道利用率与公平性好的按需轮循的蓝牙微微网调度算法。polling character更多例句