词语大全 流勢的英文,
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词语大全 流勢的英文,
Void with a good stream
小便流勢良好
It has its obscure and unpretentious beginning ; its quite stretches as well as its rapids ; its periods of drought as well as of fullness
其源頭,隱隱約約,并不引人注目;其流勢,時而平緩,時而湍急;其水情,有汛期,也有枯謁期
Given any configuration of the river and the branched into which it may divide , as well as any number of bridges , determine whether or not it is possible to cross each bridge exactly once
如已知一條河以及這條河可能分成的支流流勢圖,此外還知道河上有若干座橋,試判定是否可能有一條能通過每座橋恰好一次的路線。
Abstract : variations of flow pattern , flow velocity in deep poo l and side bar , mainstream thread , and water surface , caused by excavation project , are investigated by o - dimensional mathematical model in an orthogonal curvip near coordinate system . the change of bed - load transport rate , and redeposition r ate are predicted . the influences of the excavation project on navigation are ana lyzed . grid - type and flat - type excavation alternatives are proposed and discuss ed
文摘:采用正交曲線坐標系下的河道平面二維數學模型,研究了嘉陵江何家磧邊灘采砂后河道流勢、流態、灘槽流速、主流位置、水面高程及比降的變化規律,預測了采砂方案完成后卵石推移質輸沙率變化及其對航道的影響,并對格形開挖和平整開挖方案進行了比較分析
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