first cosmic velocity
美 [fɜːrst ˈkɑːzmɪk vəˈlɑːsəti]英 [fɜːst ˈkɒzmɪk vəˈlɒsəti]
- 第一宇宙速度
first cosmic velocity
热门查询
Formula method
fixed pulley
Forced vibration
frequency distribution
free electron
free electron density
force constant
Fullerene
Friedrich Hund
family relation
fluid mechanics
fundamental category
front vowel
formal speech
Fractal Geometry
Final Solution
Family tutor
foundationalism
French West Africa
Faroe Islands