On the basis of applying second-order tangential space and Riemann space in 3N dimension Euclid space [4], the writers have derived the integral variati- onal principles in Riemann form for first-order and second-order non- holonomic dynamical systems.是什么意思_On the basis of applying second-order tangential space and Riemann space in 3N dimension Euclid space [4], the writers have derived the integral variati- onal principles in Riemann form for first-order and second-order non- holonomic dynamical systems.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句