In the presence of a magnetic field, the atoms' orientation changed in a particular way, and this change was detectable in the light that came through the atom cloud, the team found.
小组发现,在磁场之中,原子的方向以特殊的方式发生的变化,而这种变化可以被穿过原子云的光束探测到。
Things start to fall apart. The grid is subdivided in such a way that makes navigation and orientation difficult (from a mapping point of view).
图上的事物这时开始出现分离,这种子划分下,导航和方向辨认也变得愈加困难(从一个地图的角度看)。
And the way it will work is that you have to choose an orientation of a surface, which just means choosing one of the two possible unit normal vectors.
具体方法是,先给曲面定向,也就是选择两个单位法向量中的一个。
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