1、

VoIP is a breakthrough technology for network communications, it is based on Packet-Switched Network, its signal protocol and real-time data travels over the internet. Thus, it can be easily attacked.

VoIP是指在IP数据网络上提供通话服务,由于VoIP承载于分组交换网络,其信令协议和实时数据在Internet上传播,它继承了网络易受攻击的缺点。

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2、

I've been trying to call her, but I keep getting a busy signal.

我不停的打电话给他, 但老是占线.

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3、

Now when people call a phone and get a busy signal they get mad.

现在,人们打电话时如果听到的是忙音,就会变的抓狂.

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4、

If you called my office Saturday morning, you would have gotten a busy signal.

你要是周六早上给我办公室打电话, 你就能听到占线的声音.

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5、

I kept trying to get through to you, but all I got was a busy signal.

我一直在不停地给你打电话, 但我听到的总是忙音.

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6、

Even Katie could hear the busy signal.

连卡蒂都听到了电话另一端的忙音.

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7、

B : I just keep getting a busy signal.

我打的时候老是占线.

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8、

I kept getting a busy signal.

我一直听到通话中的声音.

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9、

I dialed her number but got a busy signal.

我给她拨了电话,但占线.

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10、

Research for Optimization of Radar Signal in Bypass Mode Based on Kalman Filter

基于Kalman滤波的旁路雷达信号优化研究

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11、

In a game of brinkmanship, Madrid and Rome gave no signal they were prepared to accept the conditions which would be imposed by the European Financial Stability Facility.

在这场悬崖游戏中,马德里和罗马没有发出信号表明,它们准备接受欧洲金融稳定安排(EFSF)施加的条件。

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12、

This current may affect the measurement accuracy, especially at low signal levels.

此电流就可能影响测量的准确度, 在低信号电平时尤为显著.

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13、

Differential inputs use two signal wires from each source to data acquisition system.

单端输入,输入信号均以共同的地线为基准.

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14、

The addition of these alkaline-earth metal ions catalyzed the reaction of potassium manganate with luminol and the reaction of potassium manganate with fluorescein and resulted in strong CL signal producing;

碱土金属离子Mg~(2+)或Ca~(2+)或Sr~(2+)或Ba~(2+)的加入催化了锰酸钾与鲁米诺或锰酸钾与荧光素间的反应从而导致较强的化学发光信号的产生;

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15、
16、

Objective To study the roles of nuclear localization signal ( NLS) in nuclear import of JC vir-us-like partieles ( VIP).

目的探讨JC病毒(JCV)主要外壳蛋白VP1所含核定位信号(NLS)在JCV病毒样颗粒(VLP)入核转运中的作用。

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17、

Antonio's elimination might signal the end of its era of dominance.

马刺遭到淘汰,有可能标志着他们球队的统治结束.

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18、

The frequency and intensity of positive signal were decreasing from decidual cells to endothelial cells.

阳性信号出现频率及强度均以母面蜕膜细胞最高,滋养层细胞层次之,间质细胞层再次之,血管内皮细胞最低。

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19、

Finally it introduces an example of file transmission through wireless signal between Bluetooth equipment.

着重讨论了基于OBEX的文件传输应用的实现技术,最后介绍了蓝牙设备间通过无线信道传输文件的一个实例。

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20、

In practice, considering the error caused by data sampling, author has made use of program judgement method which belongs to digital filter method to make error signal be within allowable scope.

在实际工作时,考虑数据采集时所引起的误差,利用数字滤波中的程序判断法以控制误差信号在允许的范围之内。

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