Jurassic System的用法和樣例：
例句
- The Jurassic sedimentary environment of Yanqi Basin has lots of deep-water sedimentary features in coal-bearing beds.
對新疆焉耆盆地沉積環(huán)境的研究發(fā)現，其侏羅系含煤系地層具有大量深水沉積特征，與傳統淺水成煤的觀(guān)點(diǎn)相悖。 - Lower-Middle fresh lacustrine shale and coal measures with huge thickness have been found in the petroleum system of the northern Qaidam basin.
柴達木盆地北緣侏羅系含油氣系統具有巨厚的下侏羅統湖相泥巖和中侏羅統煤系地層。
