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On the basis of sediment concentration field, the annual back silting intensity on the approach channel of 70000 DWT at Lianyungang Harbor was also simulated, and the calculated results was coincident with actual data. 鉴于进港航道回淤量是当地海域潮流、波浪、泥沙长期共同作用的结果，建议采用年平均含沙量场进行回淤计算，并在此基础上模拟了连云港7万吨级进港航道的年回淤强度，计算结果与实测资料吻合较好。
The result showed that the numerical model could satisfactorily reflect the sediment concentration field, and calculate the back silting intensity on the approach channel in Lianyungang Harbor. 研究结果表明，所介绍的研究方法可以合理地描述含沙量场特性以及计算进港航道回淤量。
In the model,the concept of antecedent sediment concentration is introduced and the method for simulating the back silting under the action of wave is established.The validity of the method is v... 河口拦门沙是不同方向来沙在河口动力(包括径流、潮流与波浪)作用下堆积于河口的特殊地貌形态。
Calculation results show that the recirculating region and back silting of Plan 2 are smaller than those of Plan 1. 计算结果表明，方案2的回流范围和泥沙回淤强度均小于方案1。
If there exists shelter embankment at the water intake area of a power plant, the back silting at the place of intake and intake canal etc. 电厂取水口建掩护堤后，取水口、取水渠等处的回淤必须在电厂建设之前予以解决。
Rose bushes shoot again after being cut back. 玫瑰丛修剪後还能再长出新枝。
With completion of the first and second phases of the improvement project of Yangtze Estuary deepwater channel, the quantity of back silting is under control. 摘要长江口深水航道一、二期工程建成后，航道回淤量得到了控制。
With the completion of the first and second phases of the improvement project of Yangtze Estuary deepwater channel, the quantity of back silting is under control. 摘要长江口深水航道一、二期工程建成后，航道回淤量得到了控制。
He emptied out the water barrel to clear it of sediment. 他把水桶倒空以清掉桶底的沉淀物。
He trudge three hour in the snow to get back home. 他在雪中跋涉三个钟点才回到家。
The crowd fell back to let the players through. 人群后退让运动员们通过。
Do exercise every day and you'll be back in condition. 每天锻炼锻炼，你很快会恢复健康的。
The ship beat back against a monsoon. 船逆着季风艰难地行驶。
I flap the flies away but soon they fly back. 我把苍蝇赶走，但一会儿又飞回来了。
I never lend books; you never get them back. 我的书决不外借，因为总是有去无回。
She leaned her head back and whispered the news. 她向后仰着头，小声说出了这个消息。
The talks have been put back to Friday morning. 谈判推迟到星期五早上进行。
He hated to tuck his tail and back down now. 他讨厌此时夹着尾巴退回来。
After a long coma the sick man slowly came back. 昏睡了好久以后，那个病人慢慢地恢复了活力。
Back in Nigeria we used to play a lot of tennis. 我们以前在尼日利亚经常打网球。