电子，机械或工程，物理，化学或材料科学学士或硕士学位。
Bachelor or master degree in electrical mechanical industrial engineering physics chemistry or materials science.
在这两种超导体材料中，超导电性是由于电子成双成对地集结在单一的量子态所产生，这是物理学家已知的部份。
Physicists know that in both types of material the superconductivity is caused by electrons pairing up and gathering en masse in a single collective quantum state.
这个雪人由英国国家物理实验室制造，使用的材料是通常用来校准电子显微镜透镜的锡珠。
Made of two tiny tin beads usually used to calibrate electron microscope lenses, the snowman was built by the National Physical Laboratory.
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