main dike 中文意思是什麼
main dike
解釋
主堤-
In the paper, river and the downstream area of dike are regarded as a whole system, and hydraulic model of coupling 1 - d river and gradual dike - break is established, therein the preissmann implicit difference scheme is applied to main river, and the fvm ( finite volume method ) is applied to the breach and polder
本文將河道與堤壩下游區域視為一個整體，對于單一河道採用preissmann四點隱式差分格式計算，對于潰口及圩區採用有限體積法，建立了一維河道與堤壩漸潰耦聯的水力模型，也是一維、二維耦合的水流模型。 -
Analysis of the scour to the river bed along the southern main dike of the jingjiang river before and after throwing stones into the nearshore water
荊南干堤局部河段近岸水下拋石前後沖淤分析 -
By having conducted 40ar - 39ar dating of 35 samples and sm - nd dating of 19 samples from the linzizhong volcanic rocks, the post - collision volcanic rocks and a granite dike and the yarlung zangpo ophilite, the dissertation provides significant new data and results for optimizing the time framework of tectonic - magmatic event s of this region. according to isotopic dating of 9 samples, 12 experiments survey in the main trunk profile, the eruption age of the linzizhong volcanic rock in the linzhou basin has been determined as 54 - 64ma
本論文通過35個樣品的~ （ 40 ） ar - ~ （ 39 ） ar及19個樣品的sm - nd同位素測年，獲得了關于俯沖?碰撞階段形成的林子宗火山巖、后碰撞火山巖與花崗巖及雅魯藏布蛇綠巖的同位素年齡數據，為完善研究區構造?巖漿事件的時間格架提供了新的資料與成果。 -
Application of the water - jetting method for building wall in strengthening the changjiang main dike of wuhan
射水造墻法在武漢長江干堤加固工程中的應用 -
Design of reinforced earth heightening for main dike of liao river
遼河干堤加筋土加高設計 -
The immigration places the region to concentrate around the yellow river main dike with the yellow river rear part newborn silt place
移民安置區域集中在黃河大堤周圍和黃河尾間新生淤地。
分享友人