Can achieve continuous drying without breaking the vacuum by utilizing a variety of airlock configurations.
适用多种气塞装置，不破坏真空度状态下进行持续烘干。
2
Using an exact cosmological solution of a simple model it is shown that the breaking of symmetry in the vacuum state may be due to cosmological effects.
本文通过一个简单模型的严格的宇宙学解说明：真空态的对称性破缺可能是一种宇宙学的效应。
3
This paper introduces a new vacuum load - breaking switch with main and auxiliary circuit, which is of lower current chopping level, higher transferring current.