The hills are largely carboniferous limestone, which is quarried at several sites.从多处遗址的挖掘来看, 这片丘陵大部分属石炭纪石灰岩.In Early Carboniferous, Tianshan mountains entered an intraplate evolution stage.从石炭纪开始天山地区进入陆内演化阶段.WHERE HAINA...
The periodic buckling leaves the fibre in a waved conformation.周期性的弯折在纤维中造成波形构成.A door slammed in the house and a man came out buckling his belt.房子里的一扇门砰地关上，一个男子边扣腰带边走了出来。Such a transition is known as buckling of the str...