... access hole 检查孔；检修孔，入孔；人孔；进出孔 accessibility 可接近性，可及性；便于观察性；可达性，可触性 accessible area 可进入区域，可接近区域 ...
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结论本研究所建立的裸鼠移植性人肝细胞肝癌模型成瘤率高，移植瘤生长良好，便于MRI观察，是一种适合于分子影像学研究的动物模型。
Conclusion The nude mouse model with FHCC, with ideal implantation and tumor growth rate, was convenient for MRI observation and suitable for molecular imaging research of human HCC.
而且操作简便，直观性好，可以直接观察堵漏材料在纵剖面、横断面上以及沙层内部的组分分布及封堵效果，便于堵漏剂的优选。
It has a convenient operation and a better visual effect on the distribution and the performance of sealing material on the vertical or horizontal profile so that the optimization become easy.
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