Kepler works by monitoring the thousands of stars in its field of view for tiny changes in brightness.
2
结论鼻内镜手术对慢性鼻-鼻窦炎具有视野清楚。
Conclusion Endoscopic sinus surgery for chronic nasal-sinusitis with vision clear.
3
较高的氧气浓度、助燃物的存在，以及狭窄的手术视野是从事二极体激光喉内视镜手术之危险因子。
Higher oxygen concentrations the presence of combustibles and the narrowness of the surgical field during endolaryngeal diode laser surgery are risk factors for airway fires.
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