参考例子
1.In this paper, making the vacuum freeze-dry theory, the composition of equipment system, the craft as basis, the research of drying the
pteridium aquilinum
are actualized.
本文以真空冷冻干燥理论及其操作系统、工艺为基础，对蕨菜进行真空冷冻干燥工艺的试验研究。