Conclusion:Parapelvic cyst can be correctly diagnosised by enhanced CT scan with proper delay phase.

目的：探讨多时相螺旋CT增强扫描对肾盂旁囊肿的诊断价值。

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In this paper we introduce the developmental phase and experimental equipments of long time delay phase-locked loop and also give the field test results via the satellite "Symphonic".

本文叙述了长延时锁相环的研制情况和实验设备，同时也给出了通过“交响乐”卫星的现场试验结果。

youdao

In this paper we introduce the developmental phase and experimental equipments of long time delay phase-locked loop and also give the field test results via the satellite "Symphonic".

本文叙述了长延时锁相环的研制情况和实验设备，同时也给出了通过“交响乐”卫星的现场试验结果。

youdao