adj.春分或秋分的

n.春分或秋分時(shí)的暴風(fēng)雨

First, the locally optimal control laws are derived for each modified equinoctial orbital element. 研究了近地小推力轉(zhuǎn)移軌道的制導(dǎo)問(wèn)題,給出了一種基于局部最優(yōu)控制律的自主制導(dǎo)算法。

Under a bland, equinoctial sky, the morning light lay evenly over the white concrete outside the entrance to the planetarium. 在溫和、晝夜平分時(shí)的天空下，晨曦淡然地照耀在天文館人口處外面的白色混凝土上。

Under a bland, equinoctial sky, the morning light lay evenly over the white concrete outside the entrance to the planetarium . 在溫和、晝夜平分時(shí)的天空下，晨曦淡然地照耀在天文館人口處外面的白色混凝土上。

the autumnal [vernal] equinoctial point 秋 [春] 分點(diǎn)

Diagram on the plane of the equinoctial 赤道平面圖