The handover number is used for establishment of a circuit between MSCs to be used for a call being handed over.
由此可以知道切换号只是在跨MSC切换时才用到，目的是在目标和源MSC之间建立电路。
Methods: (1)Model establishment: The hemodynamic model based on electrical circuit analysis was established by simulating hemodynamic parameters with electrical ones.
方法：（1）模型建立：以相关的电学参数模拟血液动力学参数，以电路图（电路模型）分析的方法建立血液动力学理论模型。
Therefore, the establishment of LC equivalent circuit model and extracting the model parameters are very important for the control of the component values and the circuit performance.
因此建立微波频段电感电容的等效电路模型，提取模型参数，对于实现元件值在电路中的有效控制，以及整个电路性能的把握具有重要意义。
Security experts recommend increased use of closed circuit cameras, and the establishment of a long-delayed national intelligence grid to better track the movements of suspected terrorists.
印度安全专家建议增加利用闭路式摄像机，和建立耽搁已久的国家情报网，以便更有效地取得恐怖嫌疑人的作案行迹。
Security experts recommend increased use of closed circuit cameras, and the establishment of a long-delayed national intelligence grid to better track the movements of suspected terrorists.
印度安全专家建议增加利用闭路式摄像机，和建立耽搁已久的国家情报网，以便更有效地取得恐怖嫌疑人的作案行迹。
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