an ultrahigh vacuum.

• 超高真空

an ultrahigh vacuum.的用法和样例：

例句

1. It is worthwhile attempting to use an ultra-high-vacuum system for such purposes.
   超高真空系统作此用途值得一试。
2. An "isolation" helium reservoir separates the UHV sample space from the dewar vacuum space.
   液氦储存容器隔离了超高真空室和杜瓦真空室。