Rare earths have become increasingly important in manufacturing sophisticated products including flat-screen monitors, electric-car batteries, wind turbines and aerospacealloys.
稀土在制造精密产品,比如平板显示器、电动车电池,风轮机以及宇航合金方面已经变得越来越重要。
2
Aerospace and biomechanical engineers have long been aware of shape-memory alloys, but these materials have come to the attention of civil engineers only recently.
航太工程师和生物力学工程师很早就发现了这种记忆合金,但直到最近国内的工程师们才注意到这种材料。
3
Some metal alloys, such as those based on aluminum, have low densities and are used in aerospace applications for fuel economy.