基本解释海底地形英汉例句雙語例句The main factors controlling the distribution of foraminifera in the area are dissolution of deep-sea carbonate, water masses, sea-floor relief and relict sediment.控制本區有孔蟲分佈的主要因素是深海碳酸鹽溶解作用、水團、海底地形以及殘畱沉積。