Besides directing compasses, the Earth's magnetic field reaches out into space to direct the flow of the solar wind around the planet-forming a structure called the magnetosphere (depicted above).
地球的磁场效应不仅能够指引指南针，还能够将其效应延伸至宇宙空间来指引地球四周的太阳风的流向，这样就形成了一种称为“磁气圈”的结构(如上图所示)。
In structure design and engineering field, the research on wind load is important.
在结构设计和工程领域，对于风荷载的研究十分重要。
In a nonuniform wind field, however, great changes take place in the structure, causing an increase of errors.
但在非均匀风场中，回波结构在运动过程申发生变化，导致该方法的误差大大增加。
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