阐述利用空间大地测量测定和研究板块运动的基本方法、研究成果及最新进展，并和地质学方法进行了比较。

The basic methods, research results and new progress in measurement of plate movement by space geodesy and the comparison with the results by geological method are expounded.

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测量之间的差异与恒定测定误差无关。

The difference between the measurements is independent of a constant determinate error.

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目前，失眠者能够通过任何睡眠实验室测量他们的睡眠纺锤波，这将能帮助他们测定他们对噪音的敏感性。

For now, restless sleepers can have their sleep spindles measured by any sleep lab, which can help them determine their sensitivity to sounds.

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And then he just takes that narrow column of light and he admits it to a prism. And what the prism does is takes a tiny, tiny difference in wavelength and refracts it through a different angle.

他只取了那个窄光柱,然后把它对准一个棱镜，棱镜所做的就是,测量出波长的细微差别,然后从不同的角度测定它的折射度。

麻省理工公开课 - 固态化学导论课程节选