12.The paper highlighted the existing situation of soil gleying and swamping,thecause and harm of soil waterlogging.
讨论了长江游地区土壤潜育化沼泽化现状,土壤渍害原因及其危害,并总结提出了一些改良措施。
13.Shanxi Formation is a set of paralic continental deposit,of which,fluvial,swamp and lacustrine facies alternatively presented regularly.
山西组为一套近海型陆相沉积,其河流相、沼泽相及湖泊相有规律地交替出现。
14.The lithologies are dominated by alternating sandstones, shales and limestone, and the sedimentary environment based on shoreland tidal flat with swamp developed in the lower.
岩性为砂、页岩-灰岩互层,沉积环境以滨岸潮坪为主,下部沼泽发育。
15.Epidemicity yellow fever assaults , Houston early phase develops slowly since being located in many muddy swamps and being suffering, be to transport the cotton harbour only.