Every vector can be resolved into covariant or into contravariant components.每个矢量都可以分解成协变分量或逆变分量.The covariant equation of plane motion body in curved space - time is studied.研究弯曲 时空 中平面运动刚体的动力学协变方程.This decomposition ma...
When I looked at Clive, he studiously avoided my eyes.当我朝克莱夫看去时,他刻意地避开了我的目光。Clive disappeared into a room by himself.克莱夫独自一人进了屋。Clive made a noise, something like a grunt.克莱夫发出一种声响,像是咕哝了一句。...
De Yankees is affer me. "北方佬正在抓我呢.This affer will be lapsed automatically after the time limit.这项要约在期限过后,便会自动失效.Folls are wize affer the event.蠢人事后聪明....