underground target meaning in English
矿坑砚标
Examples
- Analysis of explosive damage effect to underground target
外爆炸条件下地下目标破坏效应分析 - The method in this paper will supply an algorithm gist and a reference for the signal processing in the detection of underground target
所述的算法分析、小波基的选择及小波变换阶的选择等，为地下目标探测中的信号处理，提供了算法依据和应用方法参考。 - The technology and application of geophysical exploration of engineering geophysical investigation , the investigation of geological hazard , evaluation of geological environment , geophysical detection on underground target , mineral prospecting etc
工程物探勘查、地质灾害调查，地南环境评价，地下目的物探测，矿产资源勘查等地球物理勘查技术及其应用。 - Localization underground target algorithm base on the best automatic curve fitter can survey velocity of electromagnetic wave in underground medium , and locate underground target . it ’ s virtue is small number of operation times . it ’ s shortcoming is subject to clutter
基于自动最佳拟合曲线的波速测定和目标定位方法可以比较准确地计算出波速,计算出目标位置,优点是运算量小,缺点是容易受到杂波干扰的影响。 - The technology of directional butted & connected well means to butt & connect two or more wells directionally at the underground target extraction layer which is hundreds of meters away from the ground but hundreds of meters away from each other on the ground to fulfill mining with two or more wells connected
摘要定向对接连通井技术是采用定向钻探技术和水平井技术，使地面相距数百米的两井或多井，在地下数百米甚至数千米的目的开采层定向对接连通，实现两井或多井连通采矿。