开元

Kāi yuán Tang emperor Xuanzong's 唐玄宗[Tang2 Xuan2 zong1] reign name used during the Kaiyuan era (713-741), a peak of Tang prosperity

电子

diàn zǐ electronic; electron (particle physics)

维基百科

Wéi jī bǎi kē Wikipedia (online encyclopedia)

Wéi jī Bǎi kē Wikipedia (online encyclopedia)

3betme 开元

Kāi yuán Tang emperor Xuanzong's 唐玄宗[Tang2 Xuan2 zong1] reign name used during the Kaiyuan era (713-741), a peak of Tang prosperity

电子

diàn zǐ electronic; electron (particle physics)

维基百科

Wéi jī bǎi kē Wikipedia (online encyclopedia)

Wéi jī Bǎi kē Wikipedia (online encyclopedia)

3betme