用四元数方法建立起卫星动力学方程和运动学方程。

The satellite dynamics equation and kinematic equations are built with the method of quaternion.

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基于归一化尺度计盒维数方法研究了超声波分形特征。

Fractal properties of ultrasonic signal are researched based on normalized scale box-counting dimension method successfully.

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这是试图把四元数方法引入空间啮合原理研究的一种尝试。

This represents an attempt in introducing quaternion methods in the study of cases involving space engagement.

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Let's say you have to go through three or four operations to get a final number, well, do it algebraically.

让我们说,你不得不通过3-4个操作,才能得到最终的数，好吧，用代数方法求解。

麻省理工公开课 - 固态化学导论课程节选

So I'm first going to look for something that's not in the list, I'm going to see, is minus 1 in this list, so it's going to be at the far end, and if I do that in the basic case, bam.

如果我试试第一种最基本的方法,噢，一下就完成了对不对？,因为这种方法查了下第一个元素，然后发现目标数比较下，因为目标数小于第一个元素。

麻省理工公开课 - 计算机科学及编程导论课程节选

So what do you do when you're a kid and you want 3 to count a little faster than 1 and 2 and 3 and 4 what is the simplest thing you do?

因此当你还是个孩子的时候,你想数得比1，2，3，4快一些3,最简单的方法是什么？

哈佛公开课 - 计算机科学课程节选