The researchers have invented a novel photonic molecule system in which a semiconductor quantum dot emits a pair of entangled photons per excitation pulse.

研究人员发明了一种新型“光子分子”系统，其中半导体量子点在每个激励脉冲都会发出一对纠缠光子。

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The researchers have invented a novel "photonic molecule" system in which a semiconductor quantum dot emits a pair of entangled photons per excitation pulse.

研究人员发明了一种新型“光子分子”系统，其中半导体量子点在每个激励脉冲都会发出一对纠缠光子。

youdao

There are two special names you can use in a path; a single dot (.) refers to the current directory, and a pair of dots (..) refers to the parent of the current directory.

您可以在路径中使用两种特殊名称；使用一个圆点(.)表示当前目录，使用一对圆点(. .)。

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Critics, including a pair of local newspaper columnists, have taken special aim at DOT Commissioner Janette Sadik-Khan, whose department has presided over a biking boom, including the building of more than 300 miles of on-street bike lanes.

WSJ: New PAC to Back Pedestrians, Bikes