本文介绍了最新研制的“TQ - 2000型多通道剂量仪”基本原理和技术性能。

This paper presents the basic principle and technique functions of the newest instrument - "Model TQ-2000, Multi-Channels Dose Measure instrument".

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目的：评估磁共振多技术扫描和小剂量多巴酚丁胺负荷超声心动图(LDDSE)检测心肌活性的价值。

Objective: To assess the value of multiple MR techniques and low-dose dobutamine stress echocardiography (LDDSE) in detecting myocardial viability.

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