Characteristics of iron oxides in soils with a chronosequence developed from basalt have been studied in Northern Hainan Island.
研究了海南岛北部玄武岩上发育的不同风化成土年代土壤系列的铁氧化物特征。
Effects of rubber plantations set up on the terrace of northern Hainan Island on the local precipitation are discussed by using statistical methods.
本文用数理统计方法，讨论了海南岛北部台地植胶后对降水气候的影响。
Maars of various scales produced by phreatomagmatic eruption are widely distributed in the Quaternary volcanic region of the Northern Hainan Island.
琼北第四纪火山区分布着为数众多、大小不一的射气岩浆喷发成因的低平火山口。
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