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- Slow DCA fulfills call access control by priority allocation of system carriers and time slots according to a priori knowledge of the interference limited system and load of the system. 慢速DCA可根据系统干扰受限的先验知识、负荷情况，对系统载频和时隙进行占用优先级划分，完成呼叫接入控制；
- An approach to call access control based on soft handoff/double queue for multi-class traffic in 3G systems is proposed to give different priorities in accordance to different traffic. 提出了3G系统中软切换双队列机制的多业务接入控制策略,对不同业务给予不同的优先权,根据网络的不同状态控制语音或数据切换呼叫、语音或数据新呼叫入网;
- The boy turned up missing at roll call. 小男孩在点名时不见了。
- The platoon mustered for roll call. 全排集合点名。
- Four students were absent at the class roll call. 班上点名时四个学生缺席。
- Ground which can be freely traversed by both sides is called accessible. 我可以往，彼可以来，曰通。
- Chock the barrel up or else it will roll over. 用楔子塞住圆桶,不然它会滚过去。
- Ground which can be freely traversed by both sides is called accessible. 我可以往,彼可以来,曰通。
- The slow steady roll of the ship made him sick. 轮船不停地缓慢摇晃使他感到不适。
- The desk calculator use a roll of paper. 这台台式计算机使用卷纸。
- She is crazy about rock and roll. 她喜欢摇滚乐。
- My brother is always at my father's beck and call. 我兄弟总是对我父亲唯命是从。
- Donna call on her friend kita for a chat. 多娜到她的朋友莉塔家闲谈。
- I'm going to a rock and roll concert tonight. 我今晚正要去参加摇滚音乐会。
- Forgive me so early to call up you please. 请原谅我这么早给你打电话。
- That's all there is to make a speed dial call. 在那里全部要进行快速拨号呼叫。
- If the table top isn't level, things will roll off. 如果桌面不平，东西就会滚下来。
- The jokes made everybody roll about. 那些笑话逗得人人捧腹大笑。
- All you have to do is call on the house phone. 我只要做的就是拨个室内电话。
- The teacher calls the roll every evening. 老师每晚都要点名。
