研究者发掘出生成更高质量的晶状半导体精密方法，以减少电子或者正电穴由于杂质而受阻的可能性。
Researchers developed sophisticated methods to grow high-quality semiconductor crystals, reducing the likelihood that electrons or holes will become trapped by defects.
只要我们能找到一种方法，将人类的价值观以明确的规则阐述出来，就有可能创造出更精密的符合道德标准的机器。
It will be possible to create more sophisticated moral machines if only we can find a way to set out human values as clear rules.
但是现在诊断结核病最普遍的方法是靠视觉检查痰样品里是否有能够造成疾病的病菌，这以方法需要精密的仪器和娴熟的技术。
But the most common way to diagnose TB, visually checking sputum samples for the microbe that causes the disease, requires sophisticated equipment and trained personnel.
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