d'alembert lagrange equationeuler lagrange equationlagrangesche gleichung lagrange's equationlagrangke's equationlagrangke'sequation拉: cut; slash; slit格: check; squares formed by cro ...朗: light; bright日: and方程: equation下载手机词典可随时随地查词查翻译关注微信公众号:chachacidian,回复:拉格朗日方程,即可在微信中查询翻译