求翻译：此外，通过此课题的研究与设计，充分了解巴氏杀菌机的由来与意义，灭菌原理，种类及其应用，最终设计出一套既能起到杀菌效果，又能保证蛋白质等营养成份不在较大温差范围内波动而改变，保持牛奶的原质、味、色等的巴氏牛奶杀菌装置。进而也使今后的市场上全部呈现对食品不加任何防腐剂，有利于消费者身体健康，特别是可延长保质期和贮藏期而进行优化。是什么意思？

In addition, through research and design of this subject, to fully understand the origin and meaning of the pasteurizer, sterilization principles, types and applications, the final design of a set can play a bactericidal effect, but also ensures that the protein and other nutrients are not large tem

正在翻译，请等待...

In addition, through this topic research and the design, understood fully the pasteurization machine origin and the significance, the antiseptic principle, the type and the application, finally design a set both to be able to get up the sterilization effect, and can guarantee nutrition ingredients a