英语释义

1. emptiness of space

2. a space absolutely devoid of matter

3. a space partially exhausted (as to the highest degree possible) by artificial means (such as an air pump)

4. a degree of rarefaction below atmospheric pressure

5. a state or condition resembling a vacuum void
the power vacuum in Indochina after the departure of the French
— Norman Cousins

6. a state of isolation from outside influences
people who live in a vacuum … so that the world outside them is of no moment
— W. S. Maugham

7. a device creating or utilizing a partial vacuum especially vacuum cleaner

8. to use a vacuum device (such as a vacuum cleaner) on
vacuum the living room

9. to draw or take in by or as if by suction

10. to operate a vacuum device

11. of, containing, producing, or utilizing a partial vacuum
separated by means of vacuum distillation

12. of or relating to a vacuum device or system

13. an empty space in which there is no air or other gas a space from which all or most of the air has been removed

14. a situation created when an important person or thing has gone and has not been replaced

15. to clean (something) with a vacuum cleaner

16. a space completely empty of matter

17. a space from which most of the air has been removed (as by a pump)

18. vacuum cleaner

19. to use a vacuum cleaner on
She's vacuuming the carpet.

20. a space partially exhausted (as to the highest degree possible) by artificial means (as an air pump)

21. a degree of rarefaction below atmospheric pressure negative pressure

片语

vacua a空虚

vacua vacuum的复数

rooms[建] 房间（room的复数）；空间

vacuum m vacua真空

Vacua possessio单纯占有

spaces把…分隔开；留间隔（space的三单形式）

Vacua a possessio单纯占有

topological vacua拓扑真空

英汉例句

• Higher pressures and vacua upon request!

  可根据要求所需更高压力和真空。

• These may completely change or do away with the landscape of string vacua or with the cascade of bubbles that populate the landscape.

  这些也许将完全改变或去除弦真空的地景，或者放弃在地景上聚集成瀑布般的泡泡。

• The radiation spectrum for relativistic electron moving along curved spiral curve in plasmas is calculated, and also the formula of total energy emitted by a relativistic electron in vacua is derived.

  计算了等离子体介质中，沿弯曲螺旋线运动的相对论电子的辐射谱，进一步导出了真空中的能量辐射公式。

• Then the author is able to define thespace of covacuaand thespace of vacua in the same way as in the untwisted case.

  这样，作者将给出扭真空空间和扭余真空空间的概念，其定义类似于非扭的情形。