recent sediments

基本解释

The recent carbonate sediments of the South China Sea are mainly biogenous.
南海的現代碳酸鹽質沉積，主要是生物源。
Results show that the recent sediments are mainly fine-grained composing 90% of silt and clay.
研究結果表明，樂清灣現代沉積主要以細顆粒沉降爲主，粉沙和粘土縂含量佔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.
最近發現西伯利亞和阿拉斯加湖牀沉積物中有大量甲烷泄漏，促使氣候學家呼訏對這些地區進行進一步研究和衛星監測。