电机: (任何产生和应用电能的机器, 特指发电机、电动机) any power-generating or power-driven machine, esp. generator or electric motor; electrical machinery◇电机厂 electrical machinery plant; 电机工程师 electric engineer; 电机工业
科技: (科学技术) science and technology◇科技版 science and technology page; 科技创造 scientific and technological creation; 科技成果 scientific and technological achievements; 科技成果商品化 commercial use of scienti