The pseudo-spectrum method uses Fourier transform and finite difference to solve wave equation. It is one of the important methods used to simulate the seismic wave field.

伪谱法利用傅立叶变换和有限差分求解波动方程，是三维波场正演模拟的重要方法之一。

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The third difference is the support for paging, which is fairly easy to solve.

第三个区别是对于分页的支持，这相当容易解决。

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In a study where people were asked to solve math problems, there was no difference in how well men and women scored-when everyone was fully dressed.

在一个要求人们做数学题的研究中，男人和女人的得分没有差别——当他们都穿着正装做题时。

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We know these steps taken alone are not going to solve all of our problems, but they will make a difference in the lives of millions of American families struggling to hold on.

WHITEHOUSE: Weekly Address: We Have to Increase the Pace

The basic difference is that most folks see innovation as a brainstorming approach whereby you generate solutions then find problems for them to solve verses the more successful UCD style approaches that focus on redefining the problem, first.

FORBES: How To Know Your Company Is (NOT) Ready To Innovate And What To Do About It