为了触到大脑中心的某些区域，在获得患者同意后，他必须除去组织的一根薄管，立即冻结并送往格兰特博士处。

To reach certain regions deep in the brain he had to remove a thin tube of tissue which, with the patients' consent, he froze immediately and sent to Dr. Grant.

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对后烟井前墙包复鳍片管结构突变处进行定性力学分析，针对性地提出相应措施及制造、安装时注意事项。

Qualitative mechanical analysis was made for special structure of back pass front wall, and relevant measures and notices for manufacturing and erection are presented.

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山下部分：由于管道的埋深大，位置不清楚，难以探测，建议在管伸出地面处挖开后做其它探测。

The Down-hill Part: owning to the deep sunkage of the tunnels, it is hard to test; it's suggested that other tests should be made at the points where tunnels reach out of the ground.

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