查询词典 river bed

The bed of a stream or river .An ancient bus stopped by a dry river bed .

一辆古式的公共汽车停在一条干涸了的河床旁边。

The result shows that the disturbances enhance the movement of sand, so that the incipient velocity of local sand will lower than that on the flat river bed and lead to instability of river bed and sand ripple consequently.

实验发现，扰动附近水流紊动大大增强，扰动促使局部泥沙在断面平均流速低于平床起动流速的情况下起动，并促使床面失稳形成沙纹。

In connection with the estuary regulation of Yellow River, the effects from the channel-change of Qingshuigou Course and the branch-change of Qingba Anabranch for Yellow River on the extension of sedimentation are analyzed based on the prototype data and the model test result concerned, in which the effects from the dredging at the estuary on the water level of the tail course and the change from the river bed desiltation ate discussed.

黄河口治理具有长期性和复杂性，探求不同治理措施条件下尾闾河段冲淤规律是十分必要的。根据原型资料和模型试验结果，分析了清水沟改道和清8改汊对河口淤积延伸的影响，探讨了河口段挖河疏浚对尾闾河段水位、河床冲淤变化的影响。

Damsite selection of Yilan Navigation Hydro- junction on Songhuajiang River;2. Study on the general layout scheme for reinforcement and extension project of Guoyang junction sluice;3. The river reach of Dadingzishan Navigation-power junction engineering is characterized by wide grade II terrace,large distance between the two dikes,thick covering of river bed,and strong movability and permeability of riverbed,and the overall layout is the essence of construction of low-head navigation-power junction on the reach.

松花江大顶子山航电枢纽工程河段具有Ⅱ级台地宽、两岸堤距大、河床覆盖层厚、河床质可动性及渗透性强等特点，该河段兴建低水头航电枢纽工程其总体布置是关键，利用正态物理模型(11∶00)及遥控自航船模等研究手段，对大顶子山航电枢纽工程预可、工可、初步设计及施工图设计等阶段枢纽总体布置进行了多方案比选，提出枢纽主要建筑物布置：自右岸依次为船闸、10孔泄水闸、电站、28孔泄水闸及土坝。

This article mainly,in light of the construction of the Xiangfan-ChongqingⅡLine running water river bridge, introduces the adoption of steel casings as cofferdams for submarine pile extension when 4#-3 deepwater bored pile s have broken piles within the steel casings between the river s surface and the river s bed.

以襄渝Ⅱ线流水河大桥施工为例，重点介绍了4号-3深水钻孔桩在河水面以下、河床面以上的钢护筒内断桩后，采用钢护筒做围堰进行水下接桩的处理方法。

Especially the anabranch water level is raisen great and the flow speed slow down obviously for holded up by the Yangtze River, and the rate of water eutrophication is raisen. The thesis chose the typical branch river, Xiaojiang river, to sample and research the eutrophication degree , and discover that the eutrophication of branch river are serious.

本论文主要选择了典型消落带断面，分析了浮游生物种类，并以典型流域——小江流域，对该流域的消落带水体的富营养化程度进行了调查、采样、监测和分析，并运用模糊数学理论建立了评价模型，对消落带水体的富营养化程度进行了评判，发现蓄水后长江支流富营养化现象较为严重。

With business of Pearl River distance the circle is exemple, former base oneself upon at road of Nanjing Pearl River, enclothe limits fixed position to be in it is market of radiant Jiangsu IT with road of Nanjing Pearl River, the purpose is clear, provide the instant information of district of Pearl River district for the client, the effect is apparent.

以珠江路商圈为例，前者立足于南京珠江路，覆盖范围定位在以南京珠江路为辐射的江苏IT市场，目的明确，为顾客提供珠江路地区的即时资讯，效果明显。

By Jiang in the city to send the largest tributary of Lake River, this river originated嶂Nan Kunshan Ma Hang, Tan Wei flows through the camp in small building near the confluence with the inflow by Garonne River, 36 km long river.

增江在市内最大支流为派潭河，此河发源于南昆山马坑嶂，流经派潭圩于小楼附近与二龙河汇合流入增江，河长36公里。

Our country's river service lays emphasis on Changjiang river, Pearl river andHuaihe River due to the water resource distribution. hiver service is fresh in theseareas.

受水资源分布的影响，我国的内河运输主要集中在长江、珠江、淮河水系，在这些地区内河航运具有较强的生命力。

Undertake through inviting senior lecturer ' with buy the home to face interview to sentence skill ' groom, international of help supplier understanding buys the home to purchase be used to with the negotiation, do sufficient homework to win order ", moustache of presiding operation official discloses web of a small bay in a river of a small bay in a river willingly, regard net of a small bay in a river of a small bay in a river as distinctive service form,"Buy the home to meet meeting " since was being rolled out last year oneself, hold in the many industries such as hardware, furniture, lamps and lanterns early or late, overseas is bought good public praise was won in the home and domestic supplier,"Because buyers and sellers all is to the high level of power to make decisions goes into action personally, the sale means of this kind of 0 distances reduced commerce risk and cost greatly, lead and its clinch a deal amount is very considerable.

通过邀请资深讲师进行'与买家面对面谈判技巧'的培训，帮助供给商了解国际买家采购与谈判习惯，为赢得订单做足功课"，沱沱网首席运营官胡欣然透露，作为沱沱网独特的服务形式，"买家见面会"自去年推出以来，先后在五金、家具、灯具等多个行业举行，在海外买家和国内供给商中赢得了良好的口碑，"由于买卖双方均是有决定权的高层亲自出马，这种零距离的销售方式大大降低了贸易风险和成本，其成交率和成交金额十分可观。

This paper designs the communication system of radio telescope FAST.

针对500m口径球面射电望远镜FAST分布式控制系统的特点完成了其通信系统的设计。

Political sheep's step-by-step a large number of fossils unearthed in the county soil Ma Ali after rural village in the middle of sallow pelitic siltstone.

步氏和政羊化石大量出土于广河县阿力麻土乡后山村，产于灰黄色泥质粉砂岩中。