【中文版】

稀土是做什么的？

稀土是一种重要的战略资源，广泛应用于高科技领域。那么，稀土究竟是做什么的呢？

首先，稀土在电子行业中扮演着至关重要的角色。它们被用于制造电视屏幕、手机和其他显示设备的荧光材料。这些荧光材料可以吸收并发出光线，从而在电子设备中产生图像和视频。

其次，稀土在能源领域也有着广泛的应用。例如，它们被用于制造高效能电池、太阳能电池板和燃料电池等。这些能源设备对于可再生能源产业的发展至关重要。

此外，稀土还在冶金、陶瓷、玻璃等领域发挥着重要作用。例如，它们可以提高钢的强度和耐腐蚀性，提高铝合金的硬度和轻量化性能，以及改善陶瓷和玻璃的物理性能。

另外，稀土在新材料领域的应用也在不断扩大。例如，它们可以用于制造稀土永磁材料、稀土储氢材料、稀土发光材料等。这些新材料在新能源汽车、风力发电、机器人等领域有着广泛的应用前景。

总之，稀土是一种多功能元素，其在高科技领域中的应用不断扩大，为人类社会的发展提供了强有力的支撑。

【英文版】

What are rare earths used for?

Rare earths are an important strategic resource widely used in high-tech fields. So, what are rare earths used for?

Firstly, rare earths play a crucial role in the electronics industry. They are used to manufacture fluorescent materials for TV screens, mobile phones, and other display devices. These fluorescent materials can absorb and emit light to generate images and videos in electronic devices.

Secondly, rare earths also have extensive applications in the energy field. For example, they are used to manufacture high-performance batteries, solar panels, and fuel cells. These energy devices are crucial for the development of renewable energy industries.

In addition, rare earths also play an important role in metallurgy, ceramics, glass and other fields. For example, they can increase the strength and corrosion resistance of steel, improve the hardness and lightweight properties of aluminum alloys, as well as improve the physical properties of ceramics and glass.

Moreover, the application of rare earths in new materials is constantly expanding. For example, they can be used to manufacture rare earth permanent magnets, rare earth hydrogen storage materials, rare earth luminescent materials, etc. These new materials have broad application prospects in areas such as new energy vehicles, wind power generation, and robotics.

In summary, rare earths are a versatile element with expanding applications in high-tech fields, providing strong support for the development of human society.