The advanced photon source, especially the synchrotron radiation photon exited from undulator is equipped with extremely high power density.
2
借着拱顶肋、飞扶垛和尖拱(哥德式),使建造极高结构而尽量保持自然光的问题得以解决;
The rib vault, flying buttress, and pointed (Gothic) arch were used as solutions to the problem of building a very tall structure while preserving as much natural light as possible.
Researchers at Corning and Polytechnique Montreal discovered that they couldmake very high quality waveguides, which confine and direct light, in GorillaGlass.