levee ridge 中文意思是什麼
levee ridge
解釋
天然堤河床-
2, by detailed studying of sedimentary microfacies, guan 3 - 6 beds mainly belong to high crooked fluvial deposition system, and some parts of guan 5 - 6 show plait fluvial deposition system features : detailed divided them into edge beach, center beach and natural levee etc. 9 deposition microfacies and beach ridge and groove microficies
2 、通過沉積微相多層次逐級細分研究,認為館3 - 6砂層組主要屬于高彎曲度曲流河沉積體系,館5 6部分小層表現為辮狀河沉積體系;並細分出了邊灘、心灘以及天然堤等九種沉積微相,以及灘脊和凹槽等微微相。 -
Levee : an embankment for preventing flooding ; a continuous dike or ridge ( as of earth ) for confining the irrigation areas of land to be flooded
堤防:用來防止淹水的堤壩;一個連續的圍堰或土坎(地表)為阻止灌溉區被洪水泛濫。
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