经过适当的渗透处理后，它是一种性能优越的半导体，而且它的原料——沙子——几乎不存在供应短缺的状况。
Appropriately doped, it is an excellent semiconductor and its raw material, sand, is hardly in short supply.
只要经过正确的设置，仅纳米厚的导体中数十亿个原子就像单个人工原子那般服从量子力学的规律。
Properly configured, the billions of atoms in the merely nanometer thick conductors behave like a single artificial atom and obey the laws of quantum mechanics.
海水这一流动导体能致使任何经过的电磁场发生偏移。
Such a moving conductor will deflect any magnetic field that passes through it.
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