内法线 [
nèi fǎ xiàn]
inner normal
interior normal
- 双重激波对在子午面内相对扰动源中心法线基本对称,而在赤道面内则不对称:扰动源中心法线西侧双重激波对结构更为明显,所跨经度范围宽于东侧。
On the western side of the central normal of the disturbance source in the heliospheric equatorial plane, the double shock pair structure is more evident, and the longitudinal span is wider than those on the eastern side.