This lets you check that the execution of the service doesn't affect the value of some external fields.

这使您可以检查服务的执行有没有影响一些外部字段的值。

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But when the external fields are very strong, the trajectory of an electron begins to bifurcate, thus chaos appears.

但是，当电场和磁场很强时，电子的运动轨道开始分岔，运动出现混沌。

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This thesis is devoted to study the quantum dynamics of coupled quantum dot system in the presence of external fields.

本论文系统研究了耦合量子点系统在外场作用下的量子驱动隧穿动力学。

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Most materials, including milk and water, are diamagnetic, which means they are repelled by external magnetic fields though this phenomenon is far too subtle to be observed in normal circumstances.

ECONOMIST: Monitor