... 膛内弹道学 interior ballistics 内磁场interior magnetic field 内部未满足键 interior unsatisfied bond ...
双语例句
1
For a sunspot to form on the solar surface, the magneticfield needs to attain a certain strength to push the surface plasma aside, exposing the solar interior as a cool spot — a sunspot.
在太阳表面,磁场强度必须强到能推开表面的等离子体,将温度较低太阳内部的暴露在外,形成一个太阳黑子。
2
Due to a stably stratified fluid and an extremely high electrical conductivity in the solar interior, a relic solar magneticfield can survive for a very long time.