Radiation exposure can be reduced considerably by a combination of instrument navigation and navigated C-arm positioning.

通过导航仪器和安装导航的C形臂定位方法的联合可以大大地减少射线照射。

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By showing the composition and key technologies of the exposure system, the challenges in development of lithography instrument are discussed.

通过分析曝光系统的构成和其中的关键技术，探讨了国内研制相关曝光设备所面临的挑战。

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"You want to get there as quickly as possible" to reduce radiation exposure, said Don Hassler, scientist in charge of the radiation instrument aboard Curiosity.

NPR: Astronauts Face Radiation Threat On Long Mars Trip