“equinox”的概念、定义、习题解题方法及翻译-物理辞典

单词	equinox
释义	equinox 1. Either of the two points on the celestial sphere at which the ecliptic intersects the celestial equator. The sun appears to cross the celestial equator from south to north at the vernal equinox and from north to south at the autumnal equinox . 2. Either of the two instants at which the centre of the sun appears to cross the celestial equator. In the northern hemisphere the vernal equinox occurs on or about March 21 and the autumnal equinox on or about Sept. 23. In the southern hemisphere the dates are reversed. See precession of the equinoxes
随便看	Ostwald ripening Ostwald's dilution law Otto engine ounce overdamped overpotential overtones p-type conductivity p.d. packing density packing fraction pair distribution function pair production palaeomagnetism para- parabola parabolic reflector paraboloid parallax parallel circuits parallel processing parallel spins parallelepiped parallelogram of forces parallelogram of vectors

物理辞典收录了3346条物理词条，基本涵盖了常用物理知识及物理英语单词词组的翻译及用法，是物理学习的有利工具。