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- In this paper,firstly,the formula for estimating the bed load transport rate in the bed of sand waves of prototype by model experiment based on the similarity of grain Froude number was inferred. 基于沙粒佛汝德数相似原理,首先推导出利用模型试验结果估算原型沙波河床上推移质输沙率的推算公式;然后塑造与原型较为一致的床面形态,利用模型试验对推算公式进行了验证。
- Study on bed load rate in Lijiang River 漓江壅水工程推移质输沙率研究
- A Calculation Method of Sand Bed Load Rate 沙质推移质断面输沙率计算方法
- The river channel change, the bed load and bed material armoring, and the water level lowering after the operation of the Gezhouba project are analyzed based on the topographic and hydrologic data. 根据实测地形和水文泥沙资料,分析了葛洲坝枢纽运用后宜昌河段的河床冲淤变化、推移质和床沙的粗化以及枯水位的变化。
- She covered the bed with an old faded grey blanket. 她在床上铺着褪了色的灰色旧毯子。
- She hit her knee against the angle of the bed. 她的膝盖撞到床角上了。
- The bed was right enough but the food was nasty. 床铺还令人满意,但食物却很差。
- His dinner jacket was already laid out on the bed. 他的晚礼服已经摆在床上了。
- There is a bolster across the head of the bed. 床头上有一个长枕垫。
- I got out of the bed and had a good stretch. 我起床后舒服地伸了个懒腰。
- The bed was pushed endways into the bedroom. 这张床已尾端朝前推入了卧室。
- She likes to spread the bed with a pretty cover. 她喜欢用漂亮的床罩来罩床。
- Do she make the bed in the morning? 她是在早上整理床铺吗?
- I caught a flu and had to lie in the bed. 我得了流感,不得不卧床休息。
- The bed bore traces of having been slept in. 那张床上留有被人睡过的痕迹。
- The bed fits neatly into the alcove. 床正好放进壁凹。
- They laid the boy back on the bed. 他们把小男孩放回床上。
- The bed used to be in this position. 床原来是放在这儿的。
- bed load rate 推移质输沙率
- She laid her dress on the bed to keep it neat. 她把连衣裙放在床上以保持平整。