延迟影像检查的理论包括了使症状消退的时间和骨折线变宽以利于进行更好的放射线检查鉴定。

Reasons for delayed imaging included time to allow symptoms to subside and fracture widening for better radiographic identification.

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目的：采用MR快速序列研究猪急性心肌梗死的首过灌注和延迟时相影像特点。

Objective: To study myocardial first -pass perfusion and delayed- enhancement features in acute myocardial infarction by using fast MRI scanning sequence.

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一个串行端口接点可被用来控制电源，设定G 1, G2和G3电压，选择X线影像增强器视野，或延迟测量实际极间电压(看第4章)。

A serial port interface can be used to take control of the power supply, to set G1, G2 and G3 voltages, to select the XRII field, or to measure back the real electrode voltages (see chapter4).

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