In view of the problems occurred during underground application of Mattill self-advancing tail device, some structures of it is improved in order to satisfy the requirements for underground operation.

针对马蒂尔自移机尾装置在井下使用中出现的一些问题，对其局部结构进行了改造，以适应井下作业的需要。

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A biopsy method is disclosed that includes advancing a flexible tube having a PET or BSGI imageable material distally through the biopsy device.

本发明公开了一种活检方法，所述方法包括使具有能够PET或BSGI成像的材料的柔性管向远端推入所述活检装置。

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However, research in this area had been advancing at a snail pace, until the supercomputer and the brainwave device came to the rescue.

这方面的研究进展的很慢，一直到超级电脑与脑磁波仪的出现情况才开始改观。

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