Calculation methods for resistance of ships ascending rapids are presented, and the calculation methods are compared and analyzed by using the experimental data of ships ascending rapids in a generalized rapids model.
介绍了内河船舶上滩阻力的计算方法,利用概化急流滩模型的船模上滩的试验资料,对比分析各阻力计算方法表明,本文提出的修正的兹万科夫法能较好地计算受浅水和狭水道影响的船舶阻力,并可用于滩口下游水面为倒比降滩段的船舶阻力计算。
Tests of ship models ascending rapids with different hydraulic conditions were carried out in a flume with a generalized topography of rapids.
在急流滩地形概化了的试验水槽中,进行了多种水力条件下的船模上滩试验。
Its features of rapids in high level block sailing of ten thousand ton fleet in the period of low level.
铜锣峡是三峡库区回水变动段内典型的峡谷河段，其洪水急流滩特性阻碍了万吨船队在水位消落期的顺利航行。
Research on hydraulic characteristics of rock rapids with generalized experiments;
石质急流滩水力特性概化试验研究
Based on the regulation analysis of 13 typical rock rapids, this paper summed up the regulation principle and main measures adopted for rock rapids, which may serve as a reference for waterway regulation design of mountainous rivers.
在选取国内13个典型的石质急流滩整治分析的基础上,归纳出石质急流滩整治的原则与主要措施和方法,可供山区河流航道整治设计参考。
This paper analyzes the formation causes of rock rapids and formation condition of navigation-obstructing flow and gives a detailed exposition of the main flow pattern and hydraulic characteristics of rapids, as well as the influences of all kinds of flow patterns on vessel navigation.
分析了石质急流滩形成的原因和碍航水流时形成条件 ,较为详细地论述了急流滩的主要流态与水力特性 ,以及各种流态对船舶航行的影响。
Study on the Regulation of Waterway with Rapids in Mountainous Rivers;
山区河流急流滩险航道整治技术研究
Tests of ship models ascending rapids with different hydraulic conditions were carried out in a flume with a generalized topography of rapids.
在急流滩地形概化了的试验水槽中，进行了多种水力条件下的船模上滩试验。
It is a rapid, and we shall have to make a circuit of ten miles to the north to find a ford.'
水流很急，我们必须兜圈子绕十英里路，从北面一个浅滩上过去。”
If you throw a handful of straw into a river, some of it stays afloat even in a rapids.
一把稻草投在河里，即使到急流险滩也总有些稻草可以不沉。
An extremely fast-moving part of a river, caused by a steep descent in the riverbed. Often used in the plural.
急流，湍滩由于河床倾斜下降而形成的流动极快的河流的一部分，常用复数
Xiling Gorge is fairly broad, but the current here is even fiercer and there are many rapids and dangerous shoals.
西陵峡比较宽阔，但是江流至此变得特别凶恶，处处是急流，处处是险滩。
We hotfooted it down to the beach.
我们急急忙忙地赶到沙滩.
Both major islands contain fertile lowland areas of pasture land, large forests, many sandy beaches and short swept flowing rivers.
南北两岛都有许多肥沃的低地牧场，大片的森林，多沙的海滩以及湍急的河流。
Facing Zigui, a great sweep of grey rocks stand erect in the river, after which a long stretch of rapids carries us past the Xie Shoals.
秭归正面有一大片铁青色礁石，森然耸立江面，经过很长一段急流绕过泄滩。
The motorboat cut across swift currents and skirted dangerous reefs.
汽艇穿过激流, 绕过险滩。
The river brawled over the rapids.
河水哗哗地流过湍滩。
a vagrant living on a beach.
生活在海滩上的流浪汉。
Two Dimensional Analytical Solution for Overbank Flows with Interaction Between the Main Channel and Floodplain
考虑滩槽相互作用的漫滩水流二维解析解
the seaward undercurrent created after waves have broken on the shore.
波浪在海滩上破裂时发生在水面下的向海流动或沿岸滩的流动。
He walked back and forth at the seashore, anxiously waiting for the return of the fishing-boats.
他在海滩上走来走去，焦急地等待着渔船归来。
Carp, who successfully jump rapids and leap over waterfalls, change into fish-dragons.
鲤鱼成功的跳越急滩和跃跳过瀑布,变成鱼龙。
Gravel banks along rivers are always light or white.
河流的砾石滩始终为浅色或白色。
The Study of the Tidal Process on upper Part of the Tidal Salt-marsh;
基于ADCP的高潮滩盐沼潮流过程研究