Understanding light in 3 dimensions.

理解光的三个方面。

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It is proved that the motion of the filament - like vortex is governed by a law of curvature flow in 3 dimensions.

证明了在3维情形，线状涡漩的运动服从一个曲率流方程。

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You take a sphere, in 3 dimensions, you rotate around the center of the sphere, and all those rotations leave the sphere alone.

那一个三维的球来说，无论你怎样把它绕中心旋转，它都会保持不变。

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Nintendo is expected to release details about its handheld 3DS system, which claims to feature games in three dimensions without the aid of 3-D glasses.

CNN: Microsoft Kinect to hit stores November 4

Instead of collecting data in two dimensions using streamers and then processing the data to produce a 3-D image, they decided to move to three-dimensional acquisition.

ECONOMIST: Inside story

Nintendo has largely gotten favorable reviews for the 3DS system, which lets players see games in three dimensions without wearing the clunky glasses that are required for most 3-D television and movie displays.

CNN: John D. Sutter