例句與造句

1. In this way, during a long era a light horizon is opened in a given space direction.
2. The existence of a light horizon in the isotropic model poses a problem in the understanding of the origin of the presently observed isotropy in the relic radiation.
3. Concentrating efforts over the Ruhr and Berlin, tactics were to create lighter conditions by setting up searchlight boxes, forming'light horizons'to enable pilots to make visible contact with the enemy aircraft . Results were poor however, with only two Mosquitoes claimed over Berlin.
4. The section of spacetime that can be observed is the backward light cone ( all points within the cosmic light horizon, given time to reach a given observer ), while the related term Hubble volume can be used to describe either the past light cone or comoving space up to the surface of last scattering.
5. In the isotropic model, a " light horizon " exists, meaning that for each moment of time, there is some longest distance, at which exchange of light signals and, thus, a causal connection, is impossible : the signal cannot reach such distances for the time since the singularity " t " = 0.
6. It's difficult to find light horizon in a sentence. 用light horizon造句挺難的