The next step is to look at the chemical composition of these planets, their cloud structures and their thermal properties.
下一步是要了解这些行星化学成分，它们的云层结构和热性能。
Rare earth alloys have many desirable chemistry and magnetism behaviors, unusual optical and seizing thermal neutron properties, which provide the foundation for their applications.
稀土合金膜具有优异的化学性质及其磁学、光学与俘获热中子等性能，为其广泛应用提供了基础。
Metals are elements that can be defined by their properties, such as ductility, toughness, malleability, electral and heat conductivity, and thermal expansion.
金属是根据可锻性，刚性，可塑性，电热导通性以及热膨胀度等特征来定义的多种元素的复合物。
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