base of levee 中文意思是什麼
base of levee
解釋
堤底-
There are 7 sedimentary microfacies that can be recognized, including underwater distributive river course, estuarine bar, submerged natural levee, etc. 2 ) on the basis of high - resolution sequence stratigraphy, distinguished basic level and base - level cycle, chang - 6 formation can be divided into 6 strata and 15 substrata, consequently the isochronous formation structure is set up
自下而上依據高解析度地層學原理,根據識別出的基準旋迴界面以及3種在研究區常見的短期基準旋迴層序基本類型,將長6油層組劃分出6個砂層, 15個小層,建立以小層為單元的長6儲層的等時地層格架。 -
The mechanisms have caused the majority of levee failures worldwide ; one way or another, water weakens the barrier ' s base until the barrier topples or collapses
全世界的堤防破損大多不出這幾種原因:由於某種因素,洪水淘空屏障的底部,最後造成屏障倒塌或潰決。
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