当太阳风碰撞地球磁场的时候，就会产生出冲击波，即弓形波。
When the wind hits this field it creates a shock wave known as the bow shock.
椭圆形的前缘可减弱超音气流在前缘进口区的加速程度，降低进口弓形波的强度；
The ellipse arc may depress the acceleration of supersonic flow in inlet area, decrease the strength of inlet shock wave.
模拟结果表明，蒸发液膜呈现层流、湍流、波动流等复杂流动形态，湍流主要出现在刮膜器前的弓形波内。
Simulating results show that laminar, turbulent and wavy flow states are simultaneously subsisting in the evaporating liquid thin-film, and turbulence appears in the arched wave before wipers.
这是因为磁场线圈是在尖端的地方流向地面的，这些线圈的作用是为那些流失并超越弓形波的电子与质子提供通道。
This is because it is at the cusp that magnetic field-lines stream down towards the ground, acting as paths for electrons and protons that have slipped past the bow shock.
这是因为磁场线圈是在尖端的地方流向地面的，这些线圈的作用是为那些流失并超越弓形波的电子与质子提供通道。
This is because it is at the cusp that magnetic field-lines stream down towards the ground, acting as paths for electrons and protons that have slipped past the bow shock.
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