In this context a graph is hardly more than a visual or computational aid . 在这方面图仅仅是直观的和计算的一种工具。
This is a crude way to describe what is actually a somewhat more delicate computational problem . 对于本来是更为细致的计算问题,这是一个粗略的描述方法。
Fermat's principle is not so much a computational device as it is a concise way of thinking about the propagation of light . 费马原理更多的是对光的传播的一种简明看法,而不是一种计算工具。
The property of symmetry can also be used to save a part of the computational effort required for matrix inversion or for a solution of equations . 对称的特性也可用来节省矩阵求逆中或求解方程中所需要的一部分计算量。
Computational mathematics and geophysical fluid dynamics 计算数学及地球流体力学