Just as loop quantum gravity breaks up space into tiny "building blocks", CDT assumes that space-time is split into tiny building blocks - this time, four-dimensional chunks called pentachorons.
Conclusion it is very useful to use MRI, image segmentation and 3-dimensional reconstruction techniques to guide the split-liver transplantation surgery.
结论利用MRI和图像分割以及图像三维重建技术指导劈离式肝移植手术，具有重要的临床意义。
3
A dead zone is an area about a zero degree boundary where a three hundred and sixty degree panoramic image is split so that a two-dimensional panorama can be rendered.