基本解释[通信] 輪詢字符英汉例句雙語例句A polling-on-demand scheduling algorithm for bluetooth piconet is presented, which has good characters of low delay, high channel utilization and desired fairness.提出了一種低時延、高信道利用率與公平性好的按需輪循的藍牙微微網調度算法。polling character更多例句