查询词典 hydrometric

In order to determine flood discharges in rivers without any previous hydrometric record, estimation according to its trace is the only approximation method that is comparatively reliable.

工程设计中，欲在未经水文测验的河流上定出设计用的洪水流率，依据洪水痕迹估算是唯一此较可靠而近似的方法。

However,this problem can be solved with the upper-stage method and good results have been achieved in practice, which will provide reference for the hydrometric stations in same condition.

为解决这一问题，在高道站上游未受回水影响的12.8km处设立了高道站，作为高道站的低水流量测验断面，兼有水位观测项目。

In this paper, the relationship between the flow of Heihe and the meteorological element during late spring and early summer is analysed with the data of Yingluoxia hydrometric station and Qilian meteorological station.

本文利用莺落峡水文站的水文资料和祁连气象站的气象资料，分析了春末初夏黑河流量与气象要素的关系。

And the structures of ANNs are similar in different hydrologic systems, by this mean, the basic information such as distributing of hydrometric stations can't be utilized. This paper presents a new flood forecast model based on complex ANN, which can make the information of hydrologic systems as guidance when constructing the structure of ANN.

3通过建立复合型型人工神经网络模型的方法，有效的利用给定水文系统的先验知识为人工神经网络模型的建模提供指导，使得建立出的模型更具合理性，该方法不同于传统的人工神经网络建立方法，为基于人工神经网络的洪水预报建模提供了一种新的思路。

Based on the principle of current meter measurement, this article makes analysis on the influence of measured discharge by measurement distance and width error caused by hydrometric cableway counter.

从流速仪测流的原理，分析由水文缆道计数器而产生的测距、测宽误差对实测流量的影响，进一步说明水文缆道计数器率定与比测的必要性，并结合实际提出缆道计数器率定前实测流量的校正方法。

Methods According to change figures of characteristic water level in typic years at Datong and Naming water hydrometric stations.

方法根据大通水文站及南京水文站建坝前后各典型年特征水位的变化值，以及江洲滩家畜上滩活动、家畜感染情况、滩地野粪污染、江洲滩钉螺及感染性钉螺分布的现况调查，推测三峡建坝后水位变化对家畜活动和感染以及滩地钉螺和感染性钉螺分布的影响。

The model considers the variation of flow quantity along the river length; predictes values of flow at any point of river system; and coordinates whole hydrometric stations within the river basin.

这一模型考虑了流量的沿程变化；能提供河网中任何一点处的流量值；并使全流域中不同水文站上的流量值相互协调。

Take Zanhuang County in the eastern part of Taihang Mountains,as an example, the author chose the data of the annual mean precipitation by the hydrometric station of this county and the meteorological stations nearby from 1971 to 2000 and the longitude, latitude and altitude of each station as the study objects.

以太行山东麓的赞皇县为对象，选取1971～2000年该县水文站和周围气象站的年平均降水量，以及各站的经度、纬度、海拔高度等资料，采用回归分析方法，建立了年降水量的不同形式的空间推算模型，并利用3σ规则分析了各模型的海拔高度适用范围。

From its application, rotation times of streamlined weight becomelower, failures of current meters also decrease, thus greatlyimproving life time of hydrometric cableway.

从使用情况看，铅鱼的旋转频率降低了，流速仪的损坏减少了，从而有效提高缆道的使用寿命。

It collects the data of sediment discharge and runoff depth of key hydrometric stations of the Yellow River and its main tributaries in the last 50 years and studies the normal variation of absolute value of sediment discharge and relative runoff depth by using mathematical statistics.

收集了黄河重要干流水文站和一些主要支流近50年的输沙量及径流量数据，应用数理统计方法研究了输沙量绝对值和相对径流量的多年变化情况。

However, as the name（read－only memory）implies, CD disks cannot be written onorchanged in any way.

然而，正如其名字所指出的那样，CD盘不能写，也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

镀锌钢托盘多用于出口，替代木托盘，免薰蒸，符合欧盟、北美各国对出口货物包装材料的法令要求；喷涂钢托盘适用于重载上货架之用，托盘表面根据需要制作成平板状、波纹状及间隔形式，满足不同的使用要求。