估出
3.Astronomers see far fewer small galaxies and subgalactic gas clouds than a simple extrapolation from clusters would imply.
4.This article puts forward the mathematical model of multivariated time series analysis - the autoregression model of linear combination of awarting-decision (ALCAR(n)). Digit imitation analysis shows ALCAN analysis can high precisely estimate the signal character parameters of folding process and high precisely decompose folding process on this condition of unknown signal and noise character parameters.
5.It is so dense that a teaspoonful of its surface would weigh nearly a billion tons.
6.Statutory safety checks to be carried out in the interest of operator and equipment owner.

