非具体的

How to calculate mechanical parameters and improve mechanical properties of plate are always important problems in hot plate rolling.

如何计算轧制过程的力能参数以及提高板材的力学性能，一直是中厚板轧制理论的重要问题。

It didn't make it on the Swag album so Kathy raised the money and released it herself on white label.

但Swag的专辑中并没有将它收录，于是Kathy自己出资并亲自将它发行于white公司。