方法：研制外部激发装置，设计成像脉冲序列，制作模拟人体软组织的体模。
Methods: An external force actuator was developed, the imaging pulse sequence of MRE was designed, and tissue simulating phantoms were constructed.
核磁共振成像是一种先进的医学成像技术，它可以提供有关人体软组织解剖结构丰富的信息。
MRI (Magnetic Resonance imaging) is an advanced medical imaging technique providing rich information about the human soft tissue anatomy.
X射线相衬成像在提高人体软组织成像的衬度分辨率及空间分辨率研究中具有潜在优势，是一项有着广阔发展前景的技术。
The X-ray phase contrast imaging has bright perspectives and great potential advantage in clinical diagnosis especially to improve the spatial resolution and the contrast resolution of soft tissues.
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