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磁共振成像技术与其它医学成像技术一个最主要的区别是成像方法的多样性和易控性。Ｋ空间（Ｋ－ｓｐａｃｅ）概念是理解磁共振成像技术不可缺少的工具，它和傅里叶（Ｆｏｕｒｉｅｒ）变换一样早在十八世纪就用来帮助理解和解释热流和电流等物理现象［１］。１９８０年Ｅｄｅｌ?
One of the most important differences between magnetic resonance imaging and other medical imaging techniques is the diversity and ease of imaging. The K-space concept is an indispensable tool for understanding magnetic resonance imaging and was used as early as the Fourier transform in the eighteenth century to help understand and interpret physical phenomena such as heat and current [1] . 1980 Edel?