recent sediments

基本解釋

The recent carbonate sediments of the South China Sea are mainly biogenous.
南海的現(xiàn)代碳酸鹽質(zhì)沉積，主要是生物源。
Results show that the recent sediments are mainly fine-grained composing 90% of silt and clay.
研究結(jié)果表明，樂(lè)清灣現(xiàn)代沉積主要以細(xì)顆粒沉降為主，粉沙和粘土總含量占90%以上；
Recent discoveries of Siberian and Alaskan lake bed sediments leaking large quantities of methane have prompted climatologists to call for more study and satellite monitoring of these regions.
最近發(fā)現(xiàn)西伯利亞和阿拉斯加湖床沉積物中有大量甲烷泄漏，促使氣候?qū)W家呼吁對(duì)這些地區(qū)進(jìn)行進(jìn)一步研究和衛(wèi)星監(jiān)測(cè)。