ETA;estimated time of arrival是什么意思

网络释义

用法例句

Subsidence prediction and surface deformation monitoring and analysis in Beiminghe Iron Mine,China;

北洺河铁矿开采沉陷预计及地表变形监测与分析

Progress prediction of surface movement and deformation;

动态地表移动和变形预计方法

Improvement on probability integral method prediction come down quantity;

概率积分法预计下沉量的改进

For equipment support in the future warfare,the estimation of the equipment damage in warfare is the nuclear problem.

针对装备战损量预计这一未来作战装备保障必须解决的核心问题,运用兰彻斯特方程探讨解决途径。

Influence and forecast of vertical repeated coal-mining on the ground subsidence in mine area;

垂向重复采动对煤矿区地表沉陷的影响及其预计

A self-contained forecast model of mining subsidence is obtained,that is,the subsidence of surface is equal to direct model of mining plus additional concretion subsidence model plus addit.

通过研究获得了一个完备的开采沉陷预计模型,即地表沉陷=开采直接影响模型+附加固结沉陷模型+附加流动沉陷模型;获得了地表裂缝深度和宽度的估算公式。

This paper forecasts the dedimentation deformation of the railway bridge cased by coal mining, by comparing the forecasted value with survied result shows that the forecast method is doable.

对因开采地下煤炭资源造成的铁路桥的沉降变形进行了预计,通过预计值和观测值的比较,说明该预计方案是可行的。

21 coal seam at Zhaojiazhai Mine Shaft is estimated and evaluated by two different calculated methods , steady flow and non - steady flow.

用稳定流、非稳定流两种不同的计算方法预计、评价了赵家寨井田二_1煤层底板-300m水平矿井涌水量。

Clarify an theory and method using motion reliability for description mechanism motion precision, error impress course and production to come ture economy estimate.

阐明用运动可靠度描述机构动态精度、误差传递过程及对产品实现经济性预计的原理和方法。

Study on rock movement factors analysis and subsidence prediction method based on rough-set theory and artificial neural network;

基于粗集与神经网络相结合的岩移影响因素分析与开采沉陷预计方法研究

By analyzing and studying the survey data,we have obtained ground movement and deformation rules and different kinds of angle parameters as well as prediction parameters under the condition of.

通过对观测资料的分析研究,获得了该区条件下高强度综放工作面开采时的地表移动变形规律、各种角值参数和预计参数。

In view of the probability integral method in prediction of mining subsidence,the paper analyzes the errors of movement and deformation values resulted from the errors of primary prediction parameters, and analyzes the corresponding regularity of variation and relations.

针对开采沉陷预计中的概率积分法 ,分析了由于主要预计参数的误差而导致移动变形值的误差 ,并且分析了其对应的变化规律和关系。

Based on actual conditions of second-phase project,a suggestion for error estimation and survey plan has been put forward.

首次提出利用转轴方程计算在巷道指定方向上的终点误差,并根据铜矿峪矿二期工程实际状况提出误差预计、施测方案建议。

The formula for the adjustment of inserting individual control point by trilateriation and error estimation of through survey have been derived in detailm and illustrated through computation of case examples.

并对于平差计算及贯通测量误差预计进行了详细的公式推导。