order of a differential equation [数] 微分方程的阶
order of differential equation 微分方程的阶
order of an equation 方程式的阶 ; 方程式阶
fifth order of characteristic equation 五阶方程
order equation of a group 群的阶方程
fourth order of characteristic equation 四阶方程
equation of order n 中n阶方程
euler equation of order 二阶欧拉方程
The BEM is a new method of numerical calculation compared with other methods. It has many advantages, such as smaller order of equation, less data input, less internal storage and faster velocity .
边界元法是一种新的数值计算方法，与已有的其它数值方法相比，具有方程组阶数低、输入数据少、占有内存少、速度快等优点。
On one side of the equation are the calories we consume. Onthe other side are the calories we burn — through physical activity aswell as whatever is needed just to keep the body in good working order.
方程的一端是我们消费的热量，另一端是我们燃烧的热量——通过体育活动，还有保持身体良好工作秩序所需的各种办法。
In this paper, the initial-boundary value problem of a kind of nonlinear fourth-order wave equations with damping and source terms is studied on the base of Beam equation.
本文在梁方程的基础上研究了一类具有非线性阻尼项和力源项的四阶波动方程的初边值问题。
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