Time regarded as a coordinate dimension and required by relativity theory, along with three spatial dimensions, to specify completely the location of any event.
第四维,第四元:在相对论中指时间,同其它空间三维一起来确定任何一事物的位置。
Conclusion The three dimension reconstruction method presented by this paper is effective to reconstruct brain nuclei and is helpful to identify precisely shape and location of brain nuclei.
结论三维重建方法对脑内神经团的三维重建切实有效,有助于对脑内神经核团形态位置的精确研究。
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