查询词典 river channel

First , erosion resulting from excessive deforestation in the upper reaches of the river and , second ,heavy silting which raised the riverbed in the main channel .

第一，过度砍伐引起的河流上游的侵蚀，第二，严重的泥沙淤积抬高了主干道的河床。英语学习网

First, erosion resulting from excessive deforestation in the upper reaches of the river and, second, heavy silting which raised the riverbed in the main channel.

第一两国度砍伐引起的河流上游的侵蚀，第二，严重的泥沙淤积抬高了主干道的河床。

Populations of spotted seals in a breeding region on Bohai sea and 3 habitats: Shuangtianzhi river mouth of Northern Liaodong Bay, Huping island of Lushun and Dalian and Miaodao islands in Bohai Sea Channel were surveyed from 2003 to 2007 and also their summering habitat on Korean Bak - ryung island on Northem Yellow Sea.

2003—2007年，对斑海豹在渤海的繁殖区和辽东湾北部双台子河口、大连旅顺虎平岛及渤海海峡的庙岛群岛3个栖息地，分别进行了斑海豹种群数量调查，并对黄海北部韩国白翎岛斑海豹度夏栖息地进行了现场考察。

Based on the existing levees, utilizing tetrahedron-like penetrating frame group which is a new technology of river regulation, a stable canalized channel is trimmed between two levees, and a compound cross-section with narrow canal and wide beach is formed.

即依托现有的大堤，利用混凝土四面六边透水框架群这一新型河道整治工程技术，在两大堤之间整治出一条稳定的渠化河槽，形成窄槽宽滩复式断面。

In the work area, the Jurassic system Shaximiao gas reservoir is dominated by distributaries channel sand, mouth bar sand of river-lake delta depositianal system and fracture. The lateral change of the reservoir is fast, distribution rule of the gas reservoir is complex in vertical and horizontal direction. The gas reservoir is dominated by lithology and tectonic action etc. It is a lithological gas reservoir base of structural setting.

工区侏罗系沙溪庙组气藏受河流－湖泊三角洲沉积体系下的分流河道、河口坝砂体及裂缝综合控制，储层横向变化大，气藏纵横向分布规律复杂，受岩性、构造多种因素综合控制，为构造背景上的岩性气藏。

High politicians and fly-by-night Chinese companies suddenly crop up as owners of vast tracts of valuable hardwood forest that get cut and shipped out to Vietnam or up the Mekong River to China, now that Chinese engineers have dynamited a navigable channel into Yunnan province.

政府的高官和无信誉的中国公司突然之间成为了大片林地的主人，他们将开采到的木材通过越南的湄公河运往中国。现在，中国的工程师已经开凿了通往云南省的人工河道。

The river frets at its banks until a new channel is formed.

那条河侵蚀河岸直到一条新的河道形成。

Furthermore, the present model is employed to compute the wave field in the inner area of the deepwater channel jetties in the Yangtze River Estuary. Results demonstrate that the present model, which takes into account energy dissipation and the partial reflection of waves, can be used in the relatively large harbor basin, not only simple and convenient to conduct but also provides enough accuracy to satisfy the demand of engineering design.

同时从对长江口深水航道一期工程导堤内侧水域波浪场的计算结果看，本文的计算方法能够应用于较大范围的港内水域的波浪数值计算，并考虑了底摩阻耗散和边界不完全反射的影响，计算简便，精度满足工程应用要求。

As the result of impact, the lower reach channel of the Huanghe River was silted up at that time and Baiyangdian drainage area were formed.

这一说法将上古时期的神话与古地理环境的演化联系了起来，给人以耳目一新的感觉。

Using the algorithm of breadth_f irst search, the system decides the adaptive relation of moving water and shape of basin channel and make thevisual effect of river routing true, mountain upheaving also is studied in the system.

对山脉隆生这一自然现象进行模拟，作了初步研究。

On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.

另一方面，更重要的是由于城市住房是一种异质性产品。

Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.

气候直方图是将所收集的降水量测定值，分为几个相等的区间作为横轴，并将各区间内所测定值依所出现的次数累积而成的面积，用柱子排起来的图形，也叫做柱状图。