This forms the basis for our mathematical expression for the electric field.这是电场数学表达式的基础。Mathematical physics is an almost impossibly difficult subject.数学物理是一门难得超乎想象的学科。He towers above his fellow students in mathematical...
Variational principles play an important role in the formulation of many problems of mathematical physics.变分原理现在许多数学物理的表述中起着重要作用.After studying differential calculus you will be able to solve these mathematical problems....
Gazelles can move with astonishing velocity.羚羊跑起来速度惊人.Gazelles can movewith astonishing velocity.羚羊跑起来有时速度惊人.Polar bears, desert gazelles and sharks were all added to the list of species facing extinction.北极熊 、 漠瞪羚和鲨鱼都已经...