piezometric surface

In order to comprehend the working condition of water distribution network and to control the whole working process,there is need to acquire the 2-D and 3-D contour of water pressure in the network.

为了解供水管网的工作状况并控制管网运行,需进行管网等压线和三维水压面的绘制。

Precipitable water is well related with the ground water vapor pressure in clear day, but not well in cloudy or rainy day.

利用 2 0 0 0年 6月 1日～ 8月 1 1日北京地区地基全球定位系统 (GlobePosition ingSystem)网遥感大气总水汽量试验的观测资料 ,分析了北京地区夏季大气总水汽量的时空变化 ,研究了大气总水汽量与日平均温度、地面水汽压和降水的关系。

The empirical expression of the relation between atmospheric column water vapor content and ground water vapor pressure is derived.

利用CE-318型太阳光度计936 nm波段的太阳辐射观测资料,采用改进的Langley法反演了郑州地区大气柱水汽含量,并分析了大气柱水汽含量与地面水汽压之间的关系。

CHARACTERISTICS OF PRECIPITABLE WATER VAPOR AND THEIR RELATION-SHIP WITH SURFACE VAPOR PRESSURE IN NORTH CHINA

华北地区水汽总量特征及其与地面水汽压关系

Estimated Total Precipitation Water by Ground Water Vapor Pressure

利用地面水汽压估算整层大气可降水量

Vapors steam upward from the earth.

水汽从地面上升起。

(of water) rising to the surface under internal hydrostatic pressure.

（指水）在内部的水压下喷出地面。

Investigation on ground direct-connect test technology for water ramjet engine

水冲压发动机地面直连试验技术研究

low pressure steam generator feed pump

低压蒸汽发生器给水泵

Steamer powerstation axostle and the treatment of combined level-flaw;

汽轮发电机组低压缸轴封、水平结合面漏泄的治理

Climatic Characteristics of Precipitable Water Vapor and Relations to Surface Water Vapor Column in Sichuan and Chongqing Region

川渝地区大气可降水量的气候特征以及与地面水汽量的关系

Influence of Dewatering of Confined Aquifers on Land Subsidence During Deep Excavation

深基坑承压含水层降水对地面沉降的影响

The nonsingular BEM for the problem of earthquake-induced hydrodynamic pressure towards the dam

迎水坝面地震动水压力的无奇异边界元分析

A charge of gas is compressed inside the chamber .

一次进汽在汽缸里面受到压缩。

The air outside the engine tries real hard to move into the area of negative pressure in the cylinder.

通风在外边发动机尝试真正艰难进入负压的地区在方面汽缸。

They used a steam roller to iron out the road.

他们用蒸汽压路机压平了路面。

The motor-boat skimmed over the water.

汽艇在水面飞掠而过。

Confined Groundwater Simulation and Land Subsidence Predition in Fuyang City

阜阳市承压水流系统模拟与地面沉降预测

Study on the relation of water vapor pressure and PWV over GPS station

GPS站水汽压与可降水分关系的探讨

The road roller evens out the ground.

压路机把地面压平。

DETERMINATION OF ATMOSPHERIC PRECIPITABLE WATER AND HUMIDITY PROFILES BY A GROUND-BASED 1.35 CM RADIOMETER

用1.35厘米波长地面微波辐射计探测大气中水汽总量及分布