例句與造句

1. the carbonate source rocks of middle-upper ordovician in tarim basin are widely distributed in different sedimentary environments at the same period such as platform margin slope, platform inner sag, continental shelf, abyssal basin, etc
   摘要塔里水盆地中上奧陶統(tǒng)碳酸鹽巖烴源巖在同一時期不同的沉積環(huán)境（臺緣斜坡、臺地內(nèi)凹陷、陸棚、深海盆地等）中均有發(fā)育。
2. It's difficult to find platform margin slope in a sentence. 用platform margin slope造句挺難的