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- In communications,a condition that occurs in a network when no circuits are available and a busy tone is returned to the calling part. 在通信技术中，当无线路可用因而有忙音返回给主呼叫用户时网络的一种状态。
- In communications, a condition that occurs in a network when no circuits are available and a busy tone is returned to the calling part. 在通信技术中，当无线路可用因而有忙音返回给主呼叫用户时网络的一种状态。同blocking。
- He had a calling to join the party. 他被邀请参加聚会。
- 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。
- Defect levels most often are measured as defects per million opportunities (DPMO), also called parts per million (PPM). 最常用来评估缺陷等级的物理量是百万机会缺陷数（DPMO），也称百万分率（PPM）。
- Forgive me so early to call up you please. 请原谅我这么早给你打电话。
- I am calling about what we discussed the other day. 我打电话是为了前几天我们所讨论的事。
- 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。
- All you have to do is call on the house phone. 我只要做的就是拨个室内电话。
- I'm going to call on one of my former classmates. 我要去看望我的一位老同学。
- AND WHEREAS the Supplier is the registered manufacturer of components, as per Annexure 1, (hereinafter called “Parts”) to produce the Power Steering Pump. 和而供应商注册的制造商组成，按附件1 ， （以下称为"部件" ） ，以产生动力转向泵。
- Frightened children were calling for their mothers. 受惊的孩子们呼喊著找妈妈。
- You may push this button to call the elevator. 你可以按这个按钮叫电梯。
- Your best bet would be to call again tomorrow. 你最好明天再打电话来。
- I feel washed out. Let's call it a day. 我觉得疲乏了。今天就干到这里吧。
- He got hung up with a phone call as he was leaving. 他刚要动身就被一个电话给耽误了。
- He had the temerity to call me a liar. 他竟胆敢说我撒谎。
- I know her face but I can't call her name to mind. 我认得她，但想不起她的名字了。
- It is this molecular motion that we call heat. 就是这种分子运动我们称之为热。
