| 释义 |
cosmological constant ˌkɔzməˈlɔdʒikəlˈkɔnstənt 短语⁹⁶⁶⁷⁷⁺⁶
基本英英例句
宇宙常数,宇宙学常数
Noun:
an arbitrary constant in the equations of general relativity theoryTherefore, the irreducible warp of the brane acts like acosmological constant, which speeds up cosmic expansion.因此，这膜上无法消除的时空弯曲就表现的如同宇宙常数，导致了宇宙的加速膨胀。
But to produce the observed acceleration of the universe, the constant's density would have to be twice that of matter.但若想造成现今观测到的加速膨胀，则这个宇宙常数的能量密度须为物质密度的两倍。 |