Sample Direction Book 样品做业指示书
With the magnetic field turned on, the iron layers both magnetize, say, in the spin-up direction, so all of the spin-down electrons move through the entire sample without scattering.
加上磁场后，两个铁层都被磁化，假如是上方向，那么所有下自旋的电子移动通过整个样本都没有散射。
The sample was then exposed to a magnetic field applied parallel to the direction of flow of blood via a coil around the edge of the test tube.
然后，将样品放置在通过缠绕在试管边缘的线圈而产生的磁场中，该磁场的方向与血液流动方向相同。
The chronological order, meaning that users are replicated before user groups, depends on the direction of the users-to-groups relationship in the sample user repository.
年月日顺序意味着用户在用户组之前复制，该顺序取决于示例用户库中用户到组关系的方向。
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