对电子和光子技术的掌握，引发了许多技术创新，它们开创了现代世界，为我们提供了激光器、晶体管、光电池和微芯片。
Mastering electrons and photons has led to technological innovations that built the modern world and gave us lasers, transistors, photovoltaic cells and microchips.
电子雕刻用光扫描器扫描原稿，然后由光电池控制的钢针雕刻，造成印版。
Electronic engraving Printing plate engraving with a stylus controlled by a light sensitive cell scanning the original.
一颗光电池（电子」）测到我的靠近后敞开大门。
The doors swung open after a photocell— an" electric eye"— spied my approach.
一颗光电池（电子」）测到我的靠近后敞开大门。
The doors swung open after a photocell— an" electric eye"— spied my approach.
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