Proponents might also argue that maintaining revenues is critical to keepingquality high.
支持者也许会质疑维持收益对于保持高质量是否很重要。
2
Vacuum cooling has been widely used as a rapid cooling method for vegetables, fruits cut flowers, and foods to improve their keepingquality.
真空冷却是一种快速冷却技术,它被广泛应用在花卉、水果、蔬菜和食品的冷却降温。
3
The basic concepts and principles derived on this base can be used directly to optimized design of hovercraft resistance, stability and sea keepingquality.