marsh fern

与marsh fern相关的网络例句 [注：此内容来源于网络，仅供参考]

Bracken fern-green and purple fern are usually called the Green fern fern sheep, cattle known as the Purple fern fern.

蕨菜分绿蕨和紫蕨两种，通常把绿蕨叫做羊蕨，把紫蕨称为牛蕨。

On the basis of summarizing the status quotation of related researches at home and abroad, problems in related researches and studies are analyzed and the important research fields and contents in marsh sedimentology are chosen:Establishing different model of marsh sedimentation, to support marsh definition and classification from sedimentology; Advancing theory and quantification, to analyze formation process of marsh from quality to quantity methods; Applying modern sampling system and setting up standard sedimentation profiles; Strengthening the research of gleying marsh inland and its recent process and evidence derived from sedimentation profile; Enlarging geography fields and comparing between spatial and temporal research, and enforcing regional short timescale and highresolution environmental change; Paying much more attention on correlations between watershed environment and information derived from marsh sedimentary records and especially on their controlling mechanism.

主要从学术文献、权威机关与科研机构两个方面对相关的国内外研究现状和进展进行总结，针对国内外研究现状和存在的问题提出了今后研究的重点：建立不同成因的沼泽沉积环境模式，从沉积学角度对沼泽定义及分类提供支撑；注重理论提升与定量化，使沼泽形成过程分析从定性描述走向定量化；注重现代化采样系统的应用与标准沉积剖面的建立；加强内陆潜育沼泽研究，注重现代过程与沉积剖面证据；扩大地理覆盖面，加强时空对比，加强沼泽区域性短尺度、高分辨率环境演化研究；深化沼泽沉积信息与流域环境变迁耦合机制研究。

the ground of the article synopsis introduced wetly, artificial marsh of general situation.discuss the artificial marsh constucts with modern water environment in city and emphasized to introduce hun south artificial in sun city marsh the eco-system is in water environment in city and ecosystem environment the construction of function and position, explain artificial marsh in alleviate the water resources in city the strain and the decontamination environment in the city of don't can act for of function, thus argument artificial marsh the eco-system is the conclusion that a kind of ecosystem means necessarily will develop a huge function in the modern city to the conversion progress of the ecosystem city.

文章简要地介绍了湿地、人工湿地的概况。论述了人工湿地与现代城市水环境建设，着重介绍了沈阳市浑南人工湿地生态系统在城市水环境及生态环境建设中的作用和地位，说明了人工湿地在缓解城市水资源紧张及净化城市环境中的无可替代的作用，从而论证了人工湿地生态系统作为一种生态手段必将在现代城市向生态城市的转化进程中发挥出巨大作用的结论。

与marsh fern相关的网络解释 [注：此内容来源于网络，仅供参考]

fern and fern allies; Pteridophyte：蕨类植物

蕨类时代;羊齿时代 fern age | 蕨类植物 fern and fern allies; Pteridophyte | 凤尾蕉;苏铁(日) fern palm; cycad; Japan sago; Cycas

fern palm; cycad; Japan sago; Cycas：凤尾蕉;苏铁(日)

蕨类植物 fern and fern allies; Pteridophyte | 凤尾蕉;苏铁(日) fern palm; cycad; Japan sago; Cycas | 蕨类植物型 fern type

Vittaria Sm Grass Fern,Shoestring Fern：书带蕨属

书带蕨科 Vittariaceae Grass Fern Family | 书带蕨属 Vittaria Sm Grass Fern,Shoestring Fern | 长叶书带蕨 V.elongata Sw Elongate Grass Fern