Objective To evaluate the diagnostic value of ultrasonography and X-ray fluoroscopy in abnormal place of intrauterine contraceptive devices (IUD).
目的探讨超声、X线透视检查对判定节育环异常的价值。
Objective To explore the take place condition and the clinical and electrocardiogram (ECG) characteristics of the abnormal primary t wave in pilots.
目的了解飞行人员原发性T波异常的发生情况及其临床和心电图特点。
The results show that the system is able to detect the abnormal events in real-time and accurately recognize the types of them and locate the places where they take place.
结果表明，本系统能够实时发现管道沿线异常事件并准确地对其进行识别和定位。
No paging response is inevitable in a network, but it is abnormal that no paging response occurs when two MS are calling each other in the same place or appears frequently.
寻呼无响应对于一个网络是必然存在的，但是频繁出现寻呼无响应，以及2部手机在一起互相拨打也出现寻呼无响应，则是不正常的现象。
No paging response is inevitable in a network, but it is abnormal that no paging response occurs when two MS are calling each other in the same place or appears frequently.
寻呼无响应对于一个网络是必然存在的，但是频繁出现寻呼无响应，以及2部手机在一起互相拨打也出现寻呼无响应，则是不正常的现象。
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