堤坝

This period, the economic and cultural development in the six major areas: First, large-scale long-term Dynasty, greatly promoted the development of agriculture; Second is the backbone of the Jialing River waterway and road construction all over the conduct of a larger scale; Third, Emblem, bands such as the West and establish a state school official, and promote the prosperity of the education and culture; Four Tea-Horse Division is operated by the main tea plantation, Song, the national grasslands and tangutica highly active border trade; Fifth, City flood prevention-oriented care and the dam construction to start large-scale river training works; Sixth, the development and utilization of mineral resources from the project to the scale of all new development.

这一时期，经济文化的发展主要表现在六个方面：一是长期的大规模屯田，大大推动了农业发展；二是以嘉陵江为主干的水路和各地道路建设更大规模地进行着；三是徽、阶、西和等地正式建立起州学，促进了教育文化的繁荣；四是以茶马司经营的茶场为主，宋、金与甘青草原民族的边境贸易高度活跃；五是以防汛护城为主的堤坝修筑和河道治理工程大规模展开；六是矿产开发利用从项目到规模都有新的发展。

In the paper, river and the downstream area of dike are regarded as a whole system, and hydraulic model of coupling 1-D river and gradual dike-break is established, therein the Preissmann implicit difference scheme is applied to Main River, and the FVM is applied to the breach and polder. On the basis of FVM and unstructured grids, TVD ?

本文将河道与堤坝下游区域视为一个整体，对于单一河道采用Preissmann四点隐式差分格式计算，对于溃口及圩区采用有限体积法，建立了一维河道与堤坝渐溃耦联的水力模型，也是一维、二维耦合的水流模型。

The fire of cannon and musketry thundered in unison on the right and in the centre, and the French tunics of Lannes's sharpshooters had already passed over the milldam, and were forming on this side of it hardly out of musket-shot range.

排炮声和步枪声互相交融，响彻了左翼和中央阵地，拉纳带领的身穿外套的法国步兵越过了磨坊的堤坝，在堤坝这边的两射程远的地方排队了。

HW1. Crews are rushing to build a four-foot-tall sandbag levee around an eastern Missouri community. Emergency workers are hoping it will block floodwaters from a broken levee south of the town of Winfield. Officials say muskrat holes caused that breach.

紧急救援的人们正忙于在密苏里州东部的温菲尔德镇周围堆建一个4英尺高的沙袋堤坝，希望以此来堵住洪水从该镇南部堤坝的缺口处涌入，官员们表示堤坝缺口是由麝鼠洞造成的。

REPEL is made of the same material as PLUG, but instead of being thrown into the water and carried to its destination by the current, it is laid out flat on a levee that is in danger of being overtopped and thus eroded by the river it is supposed to contain.

它与第一种装置使用同样材料制作，但不是要把它投入河中由水流带到裂口处。一旦河水猛涨漫过堤坝就会对泥土坝造成冲蚀，危及堤坝的安全。此时可以把REPEL铺在堤坝顶上保护堤坝。

The simulator equipment can monitor various embankments with different boundary conditions,such as temperature,distributions of soakage line and scales.

堤坝渗流模拟装置可实现不同水温、不同浸润线、不同规格堤坝和堤坝渗流程度的重复模拟，给出了一种野外专用的传感光缆实验结果。

There are mane rivers in our country. The dykes are long and they were built in the fifties and have run for more than 40 years.

引言 由于我国堤坝修筑的历史、自然因素、社会和经济条件等各方面的原因，堤坝的填筑质量存在一定的问题。

That done, a second set of pumps evacuates the gap between the arch and the PLUG, allowing workers access to the site.

这些工作完成后，再调用一组水泵将拱坝与堵塞间的水全部抽干，堤坝抢修工人们就可以进入现场进行堤坝的修复作业了。

It's one of a dozen more broken levees up and down the river.

这个堤坝是这条河上下十多个破损堤坝中的一个。

Q: A player making a stroke on the bank of a bunker hits the ball to the top of the bank.

问：一名球员在沙坑的堤坝上打了一杆，球被打到了堤坝的顶部。

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。