Any of various carnivorous dinosaurs of the late Jurassic and early Cretaceous Periods, similar to but smaller than the tyrannosaur.
侏罗纪晚期和白垩纪早期任一种食肉恐龙，形似霸王龙但体型较小。
A series of late Jurassic-early Cretaceous coal-bearing basins have developed in southern Songliao basin and distributed regularly.
松辽盆地南部发育了一系列晚侏罗世—早白垩世含煤盆地，呈规律性展布。
A larger down-warped basin formed during the Late Jurassic and the Early Cretaceous.
晚侏罗世和早白垩世为范围广阔的大型坳陷盆地。
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