The sidereal diurnal variation of cosmic ray ties up with the most basic and important problem in cosmic ray physics such as the origin, propagation and the acceleration mechanisms of cosmic ray.
宇宙线的恒星日变化紧密联系于宇宙线的起源、其传播途径的性质，以及宇宙线的加速机制等宇宙线物理中最基本的重大问题。
The time variation of the cosmic ray flux is one of crucial problems in the field of cosmic ray physics, solar geophysics and astrophysics, etc.
宇宙线强度随时间的变化，是宇宙线物理、太阳地球物理和天体物理等交叉学科中的重要问题之一。
Using London's model, physics of X ray laser propagation and amplification in laser-plasma of the foil target is studied analytically.
对激光辐照箔靶产生的等离子体中X射线激光的传播和放大过程进行了解析的分析。
Japan on Wednesday launched a new generation X-ray astronomy satellite aiming to reveal the structure of the universe and physics at extreme conditions in space.
本周三，日本发射一颗新一代X射线天文卫星，旨在揭示宇宙结构与太空中极端条件下的物理现象。
In this book the basics of X-ray physics, as well as the completely new opportunities offered by synchrotron radiation, are viewed from a modern perspective.
在这本书里X射线物理学，和由同步加速器辐射提供的完全新的机会的基础，被从一个现代视角观看。
In this book the basics of X-ray physics, as well as the completely new opportunities offered by synchrotron radiation, are viewed from a modern perspective.
在这本书里X射线物理学，和由同步加速器辐射提供的完全新的机会的基础，被从一个现代视角观看。
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