Lots of factors have influence on the firing accuracy of automatic weapon. During firing, the movement state of gun-shoulder system can be varied due to the imp
Greenstone belts of the eastern Dharwar Craton,India are reinterpreted as composite tectonostratigraphic terranes of accreted plume-derived and convergent margi
In this paper,the characteristics of meteorological variables are statistically correlated with icing events (i.e.,glaze and rime) in China,using daily observat
Using an integrated method combining wavelet analysis and non-parameter Mann-Kendall test,this paper analyzed spatial-temporal variations of vegetation cover in