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。

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Draw a sketch map of the area in which you have worked. Indicate flow direction, breadth, exposed rocks and positions of the trees which are related to the ecosystem.

绘画一幅研究范围的简图，图中包括水流方向、露出水面的石块、阴影盖着研究范围的树木及其它可能有关的资料。

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In fact, when individuals were exposed to natural UV radiation field, not only related to their face direction, also influenced by the eyes, eyebrow, nose and cheek and other facial structure.

事实上，暴露于天然紫外线辐射场的个体，不仅与其眼部暴露朝向有关，同时还受到眼眶、眉弓、鼻梁和颊部等面部结构的影响。

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